St. Paul gives us one of the clearest lessons about the Christian struggle when he speaks of the mysterious “thorn in the flesh” that caused him such suffering. He had received extraordinary graces and revelations and had laboured tirelessly for the Gospel, yet he remained painfully aware of his own weakness. We do not know exactly what the thorn was. Christian writers have suggested a physical illness, the continual persecution he endured, or a particularly persistent temptation. Whatever its nature, it humbled him and seemed to hinder him in carrying out the mission God had entrusted to him.

Paul asked the Lord three times to remove it. The answer he received was not the one he expected: “My grace is sufficient for you, for my power is made perfect in weakness.” The thorn remained, but Paul came to understand his weakness differently. It was no longer simply an obstacle. Precisely where he felt incapable, he discovered more deeply his dependence on Christ. This allowed him to say something that would otherwise seem paradoxical: “When I am weak, then I am strong.”

We often encounter the same mystery in our own lives. We can see clearly what we should become and sincerely want to correspond to God’s grace, yet we remain conscious of defects that seem deeply rooted. We struggle with the same temptations, discover again the same weaknesses and sometimes become discouraged because progress is much slower than we expected. There may even be moments when we wonder why God does not simply remove an obstacle that seems to interfere with our holiness or our service to others.

The answer given to St. Paul remains valid for us: God’s grace is sufficient. This does not mean that every weakness will disappear or that sincere prayer will always bring the result we hoped for. It means that no weakness need prevent us from becoming holy if we remain united to God and cooperate with the grace he gives us. Sometimes the very weakness we would most like to eliminate becomes the place where we learn humility, perseverance and trust.

St. Thomas Aquinas explains that God can permit certain physical or moral evils because he is able to draw from them a greater good. This does not make evil good, nor does it mean that we should desire suffering or temptation. It means that nothing lies beyond the reach of divine providence. God can use even what humiliates or frustrates us to deepen our dependence on him and free us from the illusion that holiness is something we accomplish through our own strength.

Our weaknesses can therefore teach us to pray with greater sincerity. St. Josemaría suggested the striking prayer: “Lord, put no trust in me. But I, I put my trust in you.” We know from experience that our resolutions can weaken, our enthusiasm can fade and our judgment can become clouded. Yet this knowledge need not lead to pessimism. It can lead us away from self-reliance and toward a confidence grounded in God.

This distinction is essential. Christian optimism does not mean believing that we are stronger than we really are. It means believing that God is stronger than our weakness. If our hope rests mainly on our own determination, repeated failures will eventually discourage us. If it rests on grace, every failure can become another reason to return to Christ.

There are times when our weakness becomes especially vivid. We may feel lonely, exhausted or burdened by difficulties that seem beyond our strength. St. Josemaría advised that in such moments we should seek refuge in Christ who died and rose again, placing ourselves spiritually within the wounds of his hands, feet and side. There we rediscover that we are not struggling alone. Christ knows human suffering from within, and his wounds are the permanent sign that divine love has entered the deepest places of human weakness.

This return to Christ allows us to begin again. The Christian life is filled with new beginnings. We make resolutions and fail to keep them perfectly. We undertake good work and encounter obstacles. We believe we have overcome a defect only to discover it again under different circumstances. The temptation is to interpret these experiences as proof that our efforts have been useless.

Yet repeated beginnings are not necessarily evidence of failure. They are often the normal way holiness develops. Each time we return to God after a setback, we exercise humility and hope. We acknowledge that we still need grace and choose once again to trust him. A person who has fallen many times but continues getting up may be growing more deeply than someone who has never been seriously tested.

Discouragement is therefore one of the enemy’s most effective weapons. Temptation itself is not always the greatest danger. More damaging can be the thought that follows a fall: “I will never change. There is no point in trying again.” Once we accept this conclusion, we stop fighting and begin to make peace with mediocrity.

St. Paul teaches us to respond differently. “My grace is sufficient for you.” These words do not promise that the struggle will disappear. They promise that we will never lack the grace necessary to remain faithful. We may feel weak, but weakness is not the same as helplessness. God does not ask something of us without also offering the help needed to respond.

Our emotions can make this truth difficult to perceive. Faith may show us clearly what God is asking while our feelings pull strongly in another direction. We know that we should forgive, but resentment remains. We understand the value of prayer, yet we feel no desire to pray. We see the importance of fulfilling a duty, but tiredness and attraction to an easier life make it burdensome.

At such moments, small difficulties can accumulate in the imagination until they appear overwhelming. A demanding task, an inconvenient obedience, physical fatigue, an unresolved temptation or a sense of spiritual mediocrity can combine into what seems like a mountain. We begin to say, “I can’t.”

Sometimes that phrase describes a genuine limitation that must be accepted. We are creatures, and there are things we truly cannot do. But often “I can’t” really means that what lies before us feels difficult and we have temporarily lost sight of the grace available to us. Faith reminds us that God does not abandon us precisely when fidelity becomes costly.

This does not justify recklessness. We should never deliberately seek temptation in order to prove our strength. Scripture and Christian tradition consistently teach us to avoid unnecessary occasions of sin. Confidence in grace is not the same as presumption. A person who knowingly places himself in situations where he repeatedly falls cannot excuse his imprudence by saying that God will protect him.

At the same time, we should not be afraid of temptation as though its mere presence meant defeat. Temptation is part of the Christian struggle. Christ himself was tempted in the desert. What matters is how we respond. God can use the struggle itself to strengthen our love if it leads us to turn toward him more promptly and rely less on ourselves.

Psalm 91 expresses this confidence beautifully. God promises to remain with the person who calls upon him in trouble, to protect and deliver the one who clings to him in love. We should receive such promises neither sentimentally nor magically. Christians still suffer and sometimes fall. The promise is deeper: nothing can separate us from God if we continue turning toward him and receiving his grace.

For this reason, temptation can become an occasion of prayer. When a disordered thought or desire appears, we do not always need to examine it at length or engage in an internal debate. In many cases, the wisest response is simply to turn our attention elsewhere and direct ourselves toward Christ. We can make a brief act of faith, ask for help and continue with what we should be doing.

Arguing with temptation can sometimes give it more attention than it deserves. A thought that might have passed quickly can become stronger because we keep analysing it. Especially with temptations against purity, faith or hope, a simple change of focus may be more effective than prolonged internal discussion. We acknowledge the temptation without consenting to it and turn toward something good.

Practical means are also necessary. Prayer does not replace prudence. We need to know ourselves and recognize the circumstances in which we are particularly vulnerable. Fatigue, isolation, idleness, certain forms of entertainment or repeated exposure to occasions of sin can weaken resistance. A serious spiritual struggle therefore includes sensible decisions about how we organize our life.

Work is one of these practical safeguards. A life of steady, purposeful activity leaves less room for the imagination to become absorbed in unhealthy temptations. This does not mean constant activity without rest. Rest itself is necessary, but it should truly restore us rather than leave us more vulnerable. Sometimes the best form of rest is simply to change activities and turn our attention toward something wholesome.

Voluntary mortification also has an important place. Small acts of self-denial train our freedom. If we never say no to ourselves in harmless matters, we may find it much harder to say no when a serious temptation appears. Mortification should be reasonable and adapted to our circumstances, but the principle remains valuable: freedom becomes stronger through exercise.

We also need a genuine horror of sin. This should not become anxious fear or scrupulosity. Sin is terrible because it damages our relationship with the God who loves us and harms our capacity to love others. The deeper our love for Christ becomes, the more naturally we want to avoid whatever separates us from him.

Love is therefore the most important weapon in the interior struggle. We can construct many safeguards and practise considerable discipline, but the deepest transformation occurs when our affection for Christ grows. A person who loves God intensely does not merely ask how much he can permit himself without committing a serious sin. He wants to remove whatever interferes with friendship with God.

Devotion to Our Lady also strengthens this love. Mary does not replace Christ; she always leads us toward him. Her maternal intercession can be especially powerful when we feel weak or discouraged. A simple invocation to Our Lady in a moment of temptation can help redirect the heart and remind us that we belong to a family in which we are never left to struggle alone.

Another important help is spiritual direction or sincere spiritual accompaniment. Temptation often grows stronger in secrecy. When we are ashamed to speak about a recurring difficulty, we may allow it to acquire an exaggerated power over us. Bringing the struggle into the light helps us see it more objectively and receive practical guidance.

There is great wisdom in the traditional observation that revealing a temptation is already a significant step toward overcoming it. What seemed enormous in isolation often becomes more manageable once expressed honestly. A good spiritual director can help us distinguish between genuine sin and mere temptation, identify occasions that need to be avoided and prevent discouragement from distorting our judgment.

This openness is especially important when the same temptation returns repeatedly. We may be tempted to hide it because we are embarrassed that we are still struggling with something we have already discussed. Yet recurring weakness is precisely where we most need humility. We do not go to spiritual direction to display progress but to receive help.

Our struggles can also teach us compassion. A person who has never felt seriously tempted may judge the weakness of others harshly. When we have experienced our own fragility, we become less surprised by the failures of those around us. We still distinguish good from evil, but we do so with greater understanding of how much every person needs grace.

This is one of the greater goods God can draw from weakness. A defect that humiliates us can soften our judgment of others. A repeated struggle can make us more patient with someone else’s slow progress. Our own need for mercy teaches us to become more merciful.

Weakness can also protect us from spiritual pride. Success in the spiritual life carries its own danger if we begin to attribute progress to ourselves. We may compare ourselves favourably with others or imagine that certain temptations are beneath us. A persistent area of struggle can remind us that everything good in us is sustained by grace.

St. Paul understood this. The thorn in the flesh kept him from becoming elated by the extraordinary revelations he had received. We should be cautious about assuming that every persistent weakness has been permitted for the same specific reason, but the general lesson remains: God can use what humbles us to protect and purify us.

We should therefore learn to accept the fact that we are fragile without accepting sin itself. These are very different attitudes. Christian humility says, “I am weak and need God.” Resignation says, “I am weak, so there is no point in struggling.” The first opens us to grace; the second closes the door to growth.

Acceptance of weakness also helps us avoid perfectionism. We may have an idealized image of what holiness should look like and become distressed because our actual spiritual life is much messier. We still become impatient, distracted, tired and tempted. We continue discovering faults we thought we had overcome.

God is not surprised by any of this. He knows us completely and calls us to holiness with full knowledge of our limitations. His plan does not depend on our first becoming flawless. He works within the reality of who we are.

This should give us great peace. We can acknowledge defects without making them the centre of our identity. We are not defined by our temptations or even by our failures. Through Baptism we are children of God, redeemed by Christ and called to share his life.

The interior struggle takes place within this larger truth. We do not fight in order to persuade God to love us. We fight because we are already loved and want to respond to that love. We do not struggle in order to earn our identity as children of God. We struggle because that identity has been given to us and we want our life to correspond to it.

This filial perspective changes the atmosphere of spiritual struggle. Fear can motivate us for a time, but love sustains perseverance. A child who trusts his father does not run away after every mistake. He returns, asks forgiveness and tries again.

We should do the same with God. When we fall, the first movement should be toward him rather than away from him. Shame may tempt us to hide, as Adam and Eve hid after the Fall, but Christ invites us to come back immediately. A sincere act of contrition, followed by Confession when necessary, restores the proper direction of the heart.

The speed with which we return matters greatly. A fall can do more damage when it leads to hours or days of discouragement and spiritual paralysis. We may begin neglecting prayer because we feel unworthy or give in to further temptations because we think the day has already been ruined. This is precisely when we should begin again.

Beginning again does not trivialize sin. On the contrary, it takes both sin and mercy seriously. We acknowledge that we have failed and refuse to pretend otherwise, but we also believe that Christ’s mercy is greater than the failure.

Over time, this habit of returning can itself become a source of strength. We learn that no setback has the final word. The enemy loses one of his strongest weapons when he can no longer use our failures to separate us from God.

We also learn to distinguish genuine contrition from self-disappointment. Sometimes what pains us most after a fall is not that we have offended God but that our image of ourselves has been damaged. We thought we were stronger or more advanced than the fall revealed.

True contrition is more peaceful because it is centred on God. We are sorry for having failed to love, we ask forgiveness and we take practical steps to avoid repeating the fault. Then we move forward. Excessive self-reproach can sometimes be another form of pride because our attention remains fixed on ourselves rather than on God’s mercy.

The Christian struggle should therefore become progressively simpler. We know our weaknesses, use the means available to us and keep our eyes on Christ. We do not need to spend our life anxiously measuring every fluctuation in spiritual progress.

Growth is often hidden. We may continue experiencing a temptation even while becoming much stronger in resisting it. The persistence of temptation does not necessarily mean that we are making no progress. In fact, sometimes a person who is growing spiritually becomes more aware of weaknesses that were previously unnoticed.

God sees the whole process. We see only fragments. Our task is fidelity in the present moment. The grace we need is normally given for the duty and struggle before us now, not for every imagined difficulty that might arise in the future.

This is particularly important when fear enters the spiritual life. We may worry about whether we will remain faithful years from now or whether we could withstand some severe trial. Such questions can become oppressive because we imagine future difficulties without the future grace God would give with them.

“My grace is sufficient for you” applies to each moment. When a real trial comes, the grace needed for that trial will also be offered. We do not need today the strength required for tomorrow’s cross. We need the grace to be faithful today.

This perspective makes courage possible. Courage does not mean feeling invulnerable. It means moving forward while aware of our weakness because we trust the One who accompanies us.

St. Paul could rejoice in weaknesses, insults, hardships and persecutions not because he enjoyed suffering but because he had discovered that Christ’s power did not disappear when human strength failed. His weakness became the place where divine strength was revealed.

We can learn the same lesson in less dramatic circumstances. A difficult conversation may reveal that we do not possess the patience we imagined. A demanding period of work may expose our tendency toward irritability. Illness may show how dependent we are on routine and comfort. A temptation may uncover an attachment we had not recognized.

These discoveries can be painful, but they are useful if they lead us toward truth. God cannot heal an imaginary version of ourselves. Grace works in the real person, with actual strengths and weaknesses.

Self-knowledge therefore belongs to the interior struggle. We need to know where we are vulnerable without becoming absorbed in ourselves. The purpose of self-knowledge is practical: to help us rely on God and use appropriate means.

We should know when we are likely to become discouraged, what situations provoke anger, what circumstances weaken chastity, what forms of praise feed vanity and what kinds of fatigue make us spiritually careless. This knowledge helps us anticipate rather than merely react.

Yet no strategy can replace grace. We can organize our circumstances wisely and still encounter unexpected temptation. Ultimately our security lies in remaining close to Christ.

This closeness is nourished through prayer and the sacraments. A regular life of prayer keeps the heart oriented toward God before the moment of crisis arrives. Frequent Confession helps us remain honest about our weaknesses and gives sacramental grace for the struggle. The Eucharist unites us with Christ, who is the true source of our strength.

We should not wait until temptation becomes severe before turning to these means. Spiritual strength, like human friendship, grows through regular contact. The person who speaks with Christ every day finds it more natural to turn toward him when difficulty comes.

Small acts of love throughout the day also prepare us. Offering our work, accepting an interruption, practising a small mortification or invoking Jesus and Mary builds habits of turning toward God. Then temptation is not the first moment in which we remember him.

Our ordinary duties themselves become part of the struggle. Faithfulness to work, family responsibilities and commitments trains the will and protects us from the instability that makes temptation stronger. Holiness is not built only in moments of dramatic resistance but through the steady fulfilment of what God places before us.

There is also value in maintaining a healthy sense of humour about ourselves. We should take sin seriously without taking our own ego too seriously. Sometimes repeated defects become more discouraging because we are offended that we still possess them. Learning to smile at our own limitations can help us accept the truth without drama and return more quickly to the struggle.

This does not mean laughing at sin or treating moral failure lightly. It means refusing to be astonished by our own humanity. We are weak creatures sustained by grace. A certain ability to laugh at ourselves can be a form of humility because it frees us from the need to maintain an image of perfection.

The deeper foundation for all of this is divine providence. St. Paul tells us that “in everything God works for good with those who love him.” This does not mean that everything that happens is good. Sin, suffering and temptation remain real evils. The promise is that God is so powerful that no evil need have the final word when we entrust ourselves to him.

The Passion is the supreme example. The crucifixion of Christ was the greatest injustice and the gravest human evil, yet God brought from it the redemption of the world. The event that appeared to be the definitive victory of sin became the means by which sin was conquered.

This gives us confidence in the smaller mysteries of our own lives. We may not understand why a particular weakness remains or why God permits a certain trial. We should not invent explanations where none have been revealed. We can nevertheless trust that he is able to bring good from what we place in his hands.

A temptation can lead us to pray more deeply. A failure can humble us. A setback can detach us from excessive confidence in our plans. A period of weakness can teach us compassion. None of these goods makes the original difficulty desirable in itself, but they show how grace can transform what would otherwise seem merely negative.

The image of a bird in flight helps us understand this. A bird moves forward not only through the movement of its wings but also because the resistance of the air provides lift. In a similar way, obstacles can become occasions for growth. Resistance forces us to exercise virtues that would otherwise remain undeveloped.

Patience grows because there are things we must endure. Fortitude grows because there are difficulties we must face. Faith grows because we sometimes have to trust without seeing clearly. Hope grows because circumstances do not always give us immediate reasons for optimism.

Love also grows through resistance. It is easy to love when everything supports our preferences. Love becomes deeper when we choose the good despite fatigue, temptation or sacrifice.

For this reason, our trials need not be wasted. We can offer them to God and ask him to use them. Instead of merely asking, “Why is this happening?” we can also ask, “How can I love God within this?”

That question moves us from passive frustration toward active cooperation with grace. Perhaps the answer is to persevere, ask for help, accept a limitation, make a sacrifice or simply continue fulfilling our duty without allowing discouragement to dominate us.

We should not expect to understand the full meaning of every struggle. Some things remain mysterious. Faith does not give us a detailed explanation for everything God permits. It gives us something more fundamental: confidence in the character of the One who permits it.

We know that God has revealed his love in Christ. We know that he has entered human suffering and overcome death. We know that he gives grace and promises not to abandon us. This is enough to continue walking even when we do not understand the road.

Our Lady accompanies us in this struggle. She knew suffering, uncertainty and the apparent defeat of Calvary, yet she remained faithful. Her strength did not come from controlling events but from trusting God completely.

We can seek her maternal protection especially when temptation, fatigue or discouragement is strong. She helps us remain close to Christ and teaches us the humble confidence of someone who knows that everything depends upon grace.

Interior struggle will accompany us throughout life. There will always be areas in which we need to grow and occasions when weakness becomes painfully evident. This should not surprise or discourage us. The struggle is part of the path by which God teaches us to depend upon him.

We may sometimes wish that holiness meant reaching a stage where struggle disappeared. In reality, holiness consists more in loving faithfully within the struggle. The saints were not people who ceased to need grace. They were people who learned to depend upon it completely.

St. Paul’s thorn therefore offers us a profound source of hope. He asked God to remove what seemed to be an obstacle, and God gave him something greater: the discovery that divine strength could work precisely through human weakness.

We can make that discovery ourselves. Our defects, temptations and limitations do not have to separate us from God. If we respond with humility, prayer and perseverance, they can lead us closer to him.

We should use every practical means available: avoid unnecessary occasions of sin, work faithfully, practise reasonable mortification, seek spiritual guidance, receive the sacraments and foster love for Christ and Our Lady. But beneath all these means lies one fundamental conviction: victory does not depend on our strength alone.

“My grace is sufficient for you.” We can return to these words whenever we feel overwhelmed by weakness. They do not tell us that the battle is imaginary or that effort is unnecessary. They tell us that Christ is present within the battle and that his grace is greater than whatever we face.

When we fall, we begin again. When we are tempted, we turn toward him. When we feel weak, we ask for strength. When we succeed, we give thanks rather than attributing the victory to ourselves.

Little by little, the struggle itself can become a place of communion with God. We discover him not only in moments of consolation but also in our need. Weakness ceases to be merely something humiliating and becomes an invitation to trust.

Then we begin to understand St. Paul’s paradox from within: “When I am weak, then I am strong.” We remain weak in ourselves, but we no longer face that weakness alone. Christ lives and acts within us.

This is the source of Christian fortitude and hope. We do not deny our fragility or pretend that temptation is easy to overcome. We simply refuse to treat our weakness as the final truth about us. The final truth is the grace of God, which is sufficient and which can bring good even from the struggles we would never have chosen.

With this confidence we can continue our journey without fear. There will be obstacles, setbacks and new beginnings, but none of them need separate us from Christ. If we remain close to him, every struggle can become an opportunity to love more deeply, trust more completely and discover again that his power is made perfect in weakness.

By the Via Virtutis team
Illustration by maulana ahmad on Unsplash