439 Quotes by Peter Kreeft

God created the possibility of evil; people actualized that potentiality. The source of evil is not God's power but mankind's freedom. Even an all-powerful God could not have created a world in which people had genuine freedom and yet there was no potentiality for sin, because our freedom includes the possibility of sin within its own meaning.

The opposite of Christianity is not atheism, but idolatry.

A man walking through a wall is a miracle. A man both walking and not walking through a wall at the same time and in the same respect is a contradiction. God can perform miracles but not contradictions - not because his power is limited, but because contradictions are meaningless.

Sin has made us stupid, so that we can only learn the hard way.

Moral stupidity comes in two different forms: relativism and legalism. Relativism sees no principles, only people; legalism sees no people, only principles.

There are relatively few atheists among neurologists and brain surgeons and astrophysicists, but many among psychologists, sociologists, and historians. The reason seems obvious: the first study divine design, the second study human undesign.

Now if the religious skeptic is right, we can know nothing about God. And if we can know nothing about God, how can we know God so well that we can know that he cannot be known? How can we know that God cannot and did not reveal himself—and perhaps even through human reason?

I strongly suspect that if we saw all the difference even the tiniest of our prayers make, and all the people those...prayers were destined to affect...we would be so paralyzed with awe...that we would be unable to get up off our knees for the rest of our lives.

Of course the more you love the sinner the more you hate and make war on the sin, just as the more you love the person, the more you hate and kill the cancer cells that are killing the person. Compassion for cancer cells does not come from compassion for persons; it comes precisely from lack of compassion for persons.