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The Problem of Evil as Evidence for God

The deep dive explains the argument. This track makes you able to wield it — rebuild it from memory, meet its hardest objections, and handle the hardest topic with care.

The argument in brief

Let us be honest at the outset: suffering is the hardest objection to belief in God, and it deserves to be felt, not explained away. The reality of cancer wards, genocide, and the loss of a child is a genuine mystery, and no tidy theodicy can fully account for it. This argument does not pretend otherwise, and it is no substitute for grief or for sitting with someone in pain.

It makes one narrow, careful observation. When we call some things truly evil — not merely unpleasant, not merely things we dislike, but genuinely wrong, such as torturing a child for amusement — we are appealing to a real standard of good that the world has fallen short of. C.S. Lewis put it from his own atheist days: his case against God was that the universe seemed cruel and unjust. But where had he gotten the idea of just and unjust? A line is only crooked by comparison with a straight one. The very outrage that fuels the problem of evil presupposes an objective good, and an objective standard of good is itself hard to ground without God.

So this does not "solve" suffering or lessen its weight. It observes that the deep moral intuition driving the objection points, on reflection, back toward the existence of the very God it was raised against — turning the problem into unexpected evidence.

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◆  Argument 11 of 22 in the mastery library
1

Understand it

Not more prose — the load-bearing structure. See the skeleton, then learn to defend each bone.

The argument, formally

Three lines that turn the problem of evil around.

P1

We recognise certain things as objectively, genuinely evil — not merely things we dislike.

P2

Objective evil presupposes an objective standard of good that things fall short of.

∴ C

An objective standard of good requires God — so the recognition of evil points to God.

This is the moral argument applied to the problem of evil — a narrow, careful point. It is not a pastoral answer to suffering, and it does not dismiss the force of the problem of evil. It observes only that calling something truly evil assumes a standard of good that is hard to ground without God.

Then the conceptual step — what does evil presuppose?

Evil is a departure from how things ought to be — a corruption of a good. That presupposes a real standard of good and a way things are supposed to be. A purely indifferent universe has no ought, so it can host only events we dislike, not genuine evil.

objective evil presupposes objective gooda transcendent standarda way things ought to bethe demand for justiceevil as privation of good
Defending the premises

Why each premise is more plausible than its denial

Support for P1 — evil is objective, not preference

Our outrage points past us

Our response to the Holocaust, to torture, to cruelty presents itself as a response to something really wrong, not merely disliked. If evil were mere preference, moral protest would be incoherent.

Even the skeptic insists on it

The reality of evil is one of the things atheists most strongly affirm — but that very insistence assumes an objective wrong, not a matter of taste.

Support for P2 — objective evil points to God

Evil is a privation

Evil is a corruption or lack of a good that ought to be whole. That presupposes a real standard of good and a way things are supposed to be — a design, a purpose.

Indifferent matter has no ought

A purely physical, indifferent universe has no way things are supposed to be, so it can host no genuine evil — only events we happen to dislike. The standard evil falls short of is grounded in God.

The hard part — objections, steelmanned

Each one stated as its strongest defender would put it

Handle this gently — it touches real pain. Each objection in its strongest form first, then the reply.

"Evil disproves God" Hard

Strongest form

A good, all-powerful God would not allow gratuitous suffering. The existence of evil is strong evidence against God.

Reply

This is the serious challenge, and it deserves full engagement — free will, soul-making, and Plantinga’s free-will defense, which shows there is no logical contradiction. But the point here is narrower: to call suffering genuinely evil, not just unpleasant, you must assume an objective standard of good, which is hard to ground without God. So evil weighs on faith emotionally — yet its status as evil weighs against atheism.

"Evil is just harm or suffering" Common

Strongest form

Define evil naturally as harm or suffering. No transcendent standard is required.

Reply

Harm and suffering are descriptive; calling them evil — something that ought not to be, that demands a response — is normative. Why should a configuration of matter that causes pain be wrong? Naturalism can describe suffering but cannot ground the ought-not-ness that makes it evil rather than merely unpleasant.

"Evil is just an evolved aversion" Trickier

Strongest form

Our sense of evil is an evolved reaction to things that harmed our ancestors — nothing more.

Reply

That explains the feeling of revulsion, not the fact that genocide is truly wrong. If evil is just an aversion, the torturer is not mistaken, only differently wired — which no one believes about real atrocities. Debunking the feeling does not touch the objective wrongness we actually affirm.

"This dodges the real suffering" Trickier

Strongest form

Turning evil into an argument for God sidesteps the real pain and the real challenge.

Reply

A fair caution — and this argument is not a pastoral answer to suffering, nor does it dismiss the force of the problem of evil. It is a narrower logical point: the reality of objective evil sits uneasily in a godless universe. Both can be true at once — evil is a hard problem for faith, and the reality of evil is a hard problem for atheism.

"Maybe nothing is objectively evil" Hard

Strongest form

Bite the bullet — deny objective evil entirely. It is all just preference.

Reply

That is at least consistent, but almost no one can live it. The person who says nothing is really evil still protests their own betrayal, still calls out injustice done to them. And it concedes the point: to keep objective evil you need the standard that comes with God. You can drop evil or keep God — dropping evil is a steep price.

"Evil as privation is just wordplay" Trickier

Strongest form

Calling evil a lack or privation rather than a real thing is a dodge.

Reply

The privation view (Augustine) does not deny evil’s reality or horror — a privation can be devastating, as blindness is a real lack of sight. It is a metaphysical claim that evil is parasitic on good, a corruption of something that ought to be whole. That presupposes the ought-to-be, the standard — which is the argument’s point.

Touch the originals

Where this comes from — primary sources, not our summary

Augustine4th–5th c. · Confessions / Enchiridion
Developed evil as privatio boni — a privation or corruption of good, not a thing in its own right.
C.S. Lewis20th c. · Mere Christianity
His atheism rested on the world’s injustice — until he saw that just and unjust presuppose a real standard he had not invented.
Alvin Plantingacontemporary · God, Freedom, and Evil
The free-will defense, showing the logical problem of evil does not succeed against theism.
Fyodor Dostoevsky19th c. · The Brothers Karamazov
Gave the problem of evil its most searching voice — and its moral weight. (We paraphrase — read the originals.)
2

Practice it

Knowledge you can't retrieve under pressure isn't yours yet. Three drills that route this argument through tools you already have.

Drill 1 · Explain It Back

Reconstruct the argument in your own words

Reconstruct the argument from memory: that we recognise objective evil (P1), that this presupposes a standard of good (P2), and that the standard points to God — while being clear this is not a pastoral answer to suffering.

0/10
    Drill 2 · Flashcards

    Drilled straight from this argument

    Five cards on objective evil, how this relates to the usual problem of evil, and evil as privation.

    Prompt

    tap to flip
    Answer

    tap to flip
    Drill 3 · Live objection

    Meet the strongest objection to faith

    A seeded scenario from the Debate Arena. Draft your reply, then reveal a model answer to compare.

    SK
    Skeptic
    "All the suffering in the world is the best evidence there is no God. A good, all-powerful God would never allow children to suffer. Evil disproves God."
    One strong way to answer — in a 1 Peter 3:15 tone

    "That is the hardest question anyone can ask, and I do not want to wave it away — the suffering of children is a genuine weight on faith, and honest believers feel it. But let me gently point at something underneath your objection. You called that suffering evil — not just unfortunate, not just something you happen to dislike, but truly wrong, something that ought not to be. Where does that ought-not come from? If the universe is only matter and energy with no purpose, then a child suffering is no more wrong than a rock rolling downhill — it just is. The very outrage that fuels your objection assumes a real standard of good that the world is failing to meet, and that standard is exactly what is hard to have without God. So evil is a real problem for my faith — I will not pretend otherwise — but the reality of evil is an even harder problem for a godless universe. You may have to give up God, or give up calling anything truly evil. I do not think you actually want to give up the second."

    3

    Prove it

    Mastery isn't a feeling — it's four things done. Clear them and this argument turns gold on your shelf.

    Understood itRead the structure, defences, and all objections
    Open every section
    Explained itScore 7+ on Explain It Back
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    Drilled itCycle through every flashcard once
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    Defended itAttempt the live objection
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    One more thing — be honest

    If a friend challenged you on this tomorrow, how ready are you?

    Your self-rating is tracked over time so you can watch confidence climb across the library.

    Master Evil as Evidence, then take the next one

    One more case for God remains in this set after this one — the Argument from Desire, which completes the God’s Existence shelf.

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