If God is all-powerful, He can stop evil.
If God is perfectly good, He wants to stop evil.
Evil exists.
So why believe in God?
This is not a superficial objection. For many people, suffering is the most powerful reason they doubt Christianity.
And abstract discussion can become offensive when it is detached from real things: children dying, abuse, war, cancer, earthquakes, dementia, famine, torture, and apparently meaningless loss.
A responsible Christian answer must begin by admitting the force of the problem.
Two different problems of evil
Philosophers commonly distinguish the logical and evidential problems.
The logical problem
This argues that the propositions:
- God is omnipotent.
- God is perfectly good.
- Evil exists.
are logically inconsistent.
If strict contradiction could be demonstrated, the existence of any evil would disprove classical theism.
The evidential problem
This argument is more modest and, for many philosophers, more powerful.
It says:
Even if God and evil are logically compatible, the quantity, intensity, distribution, and apparent pointlessness of evil make God's existence less probable.
This is harder to answer because it does not require proving an absolute contradiction.
A Christian can show that God might have morally sufficient reasons for allowing evil and still face the question:
Is that plausible given the world we actually observe?
The free-will defense
One of the best-known responses concerns moral evil.
If God creates genuinely free persons capable of love, they must be capable of choosing against love.
A world containing free beings may therefore contain betrayal, cruelty, murder, oppression, and rebellion.
God could create creatures who always behave exactly as programmed.
But such creatures would not possess morally significant freedom in the same sense.
The free-will defense argues that freedom is a sufficiently great good that God can rationally permit the possibility of its abuse.
What free will does not explain
Free will may address some moral evil.
It does not directly explain earthquakes, childhood cancer, genetic disease, animal suffering, tsunamis, or millions of years of predation before human beings existed.
A complete answer cannot simply repeat:
“People have free will.”
Natural evil requires additional reflection.
A law-governed creation
One response begins with the kind of world embodied creatures require.
Stable natural laws allow predictable action, science, responsibility, learning, agriculture, medicine, and social cooperation.
But a law-governed physical world also permits danger.
Gravity makes walking possible and falling lethal.
Tectonic activity participates in planetary processes while producing earthquakes.
Cells capable of growth and replication can malfunction.
This does not show that every specific tragedy is necessary.
It does show that a world of embodied agents operating in a consistent causal environment will involve vulnerability.
“Couldn’t God intervene every time?”
Perhaps.
An omnipotent God could prevent any individual event.
The challenge is whether constant intervention would preserve the stable moral and natural environment required for meaningful creaturely life.
Imagine a world where bullets always dissolve before hitting innocent people, careless drivers are supernaturally redirected, every falling child floats, and every harmful mutation is corrected instantly.
Such a world may contain less suffering.
It would also function very differently from a stable causal order in which actions have serious consequences.
Still, this answer must be handled carefully.
It may explain why God does not eliminate all risk.
It does not obviously explain the scale of particular horrors.
Soul-making
Another tradition argues that certain virtues can exist only in a world containing difficulty.
Courage requires danger.
Compassion responds to suffering.
Forgiveness presupposes injury.
Perseverance develops through trial.
A perfectly painless world might contain innocent pleasure but not the same kinds of mature moral character.
This idea is often associated with Irenaean or “soul-making” approaches.
It has real explanatory value.
But it becomes morally grotesque if used carelessly.
Do not tell a grieving parent:
“Your child died so you could build character.”
Christian theology does not give us access to a detailed divine explanation for every tragedy.
A general account of why a world may permit suffering is not a claim to know why this particular suffering occurred.
Apparently pointless suffering
This is the heart of the evidential problem.
Some suffering seems to produce no greater good.
An animal burns slowly in a forest fire with no human observer.
A child dies alone.
A person suffers severe deterioration for years.
What good could justify it?
The honest answer is:
We often do not know.
That admission leads to what philosophers call forms of skeptical theism.
Skeptical theism
Skeptical theism argues that finite human beings should be cautious when moving from:
“I can see no good reason God would permit this”
to:
“there is no good reason God could have.”
Our cognitive position is tiny relative to the total consequences of events across persons, history, and eternity.
The inference from “no reason visible to me” to “no reason exists” may therefore be unreliable.
The danger of skeptical theism
This response can be abused.
If pushed too far, it appears to undermine ordinary moral reasoning:
If God might secretly have a good reason for anything, how can we call anything evil?
That is not an acceptable conclusion.
Christianity commands people to resist evil, relieve suffering, defend victims, and practice mercy.
Skeptical theism should produce humility about God's total providential reasons, not skepticism about our duty to oppose cruelty.
The Fall
Christian Scripture connects human suffering with a creation alienated from God.
Genesis 3 presents sin entering the human story and creation becoming marked by toil and death. Paul describes creation as subjected to futility and groaning for liberation.
Christians interpret these texts in different ways.
A simplistic version says:
“Every earthquake and disease exists because two humans ate a fruit a few thousand years ago.”
That formulation becomes difficult in light of geological and evolutionary history.
Many Christian theologians therefore understand the Fall as a theological account of humanity's rupture with God within a creation already capable of mortality and natural processes.
Others defend more traditional historical models.
The doctrine remains debated.
Evolution intensifies the natural-evil question
Predation, disease, extinction, and animal pain existed long before modern humans.
Evolution therefore prevents Christians from explaining all natural suffering solely as a later biological consequence of human wrongdoing unless they adopt a radically different chronology of natural history.
This is one of the deepest modern challenges to theodicy.
Christian responses include creation as unfinished and developing, contingency within natural processes, cosmic-fall models, eschatological completion, and the claim that a world capable of producing embodied rational life necessarily involves evolutionary costs.
None is universally accepted.
Christianity's answer is not only philosophical
At the center of Christianity is not an abstract deity observing pain from a safe distance.
It is a God Christians believe entered suffering.
Jesus is rejected, betrayed, tortured, crucified, and killed.
The cross does not answer every philosophical question.
But it changes the character of the Christian claim.
God does not merely say:
“Your suffering serves a purpose.”
Christianity says:
God participates in the suffering of creation and bears evil in Himself.
Resurrection matters
Without resurrection, the Christian answer is radically incomplete.
If innocent suffering simply disappears into death, many evils seem permanently undefeated.
Christian hope says history is not the final horizon.
God will raise the dead, judge evil, restore creation, wipe away tears, and defeat death.
This is not an explanation for why God permitted every horror.
It is a promise that no horror has the final word.
Can future joy justify past evil?
Critics rightly object that compensation does not automatically justify permission.
Giving someone a fortune after torturing them would not make the torture good.
Christian eschatology therefore cannot be reduced to:
“Heaven makes all suffering worth it.”
The stronger claim is that God can redeem evil without calling evil good, and can restore victims in a way finite human analogies cannot fully model.
Whether that answer succeeds depends partly on the credibility of the Christian revelation itself.
Does evil presuppose objective good?
Some apologetic arguments respond:
“You can call something objectively evil only if God exists.”
That should not be used as a shortcut.
Atheistic moral realists can believe some acts are objectively wrong.
The problem of evil remains a genuine challenge even if the Christian has a moral argument for God.
The emotional problem is not the logical problem
A person can possess a philosophical answer and still cry:
“Why, God?”
The Bible itself contains that cry.
Job protests.
The Psalms lament.
Jeremiah complains.
Jesus says:
“My God, my God, why have you forsaken me?”
Christian faith does not require pretending suffering feels intellectually resolved.
Lament is inside Scripture.
Where the argument leaves us
The existence of evil does not create a simple formal contradiction with God if there are possible morally sufficient reasons for permitting evil.
But that does not make the problem disappear.
The evidential weight of apparently gratuitous suffering remains substantial.
A Christian response is cumulative:
- morally significant freedom helps explain moral evil;
- stable natural order helps explain creaturely vulnerability;
- soul-making explains some goods available only through difficulty;
- human cognitive limits caution against assuming no unseen reasons exist;
- the cross reveals a God who suffers with creation;
- resurrection and final judgment promise that evil will be defeated rather than merely balanced.
Whether that is enough will depend on the rest of the evidence for God and Christianity.
The Christian conclusion
Christianity does not claim:
“Suffering is actually good.”
It calls death an enemy.
It commands mercy.
It condemns oppression.
It weeps at graves.
Its central symbol is an innocent man unjustly executed.
The problem of evil therefore remains one of Christianity's hardest questions.
But Christianity's final answer is not a theory in which pain becomes harmless.
It is a person:
the crucified and risen Christ.
The claim is that God has entered the world's evil, borne it, and will finally overcome it.
If the resurrection is false, that hope collapses.
If the resurrection is true, suffering is still terrible—but it is not ultimate.
Sources and further reading
- Stanford Encyclopedia of Philosophy, The Problem of Evil.
- Stanford Encyclopedia of Philosophy, Theodicies.
- Stanford Encyclopedia of Philosophy, Skeptical Theism.
- Alvin Plantinga, God, Freedom, and Evil (Eerdmans, 1974).
- John Hick, Evil and the God of Love.
- Marilyn McCord Adams, Horrendous Evils and the Goodness of God (Cornell University Press, 1999).
- Primary Christian texts: Job; Psalms 22 and 88; Romans 8:18–25; John 11:32–44; Revelation 21:1–5.