Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that.

No one lights a lamp and puts it in a place where it will be hidden, or under a bowl. Instead he puts it on its stand, so that those who come in may see the light.

Rats and roaches live by competition under the laws of supply and demand; it is the privilege of human beings to live under the laws of justice and mercy.

It takes a certain ingenuous faith- but I have it -to believe that people who read and reflect more likely than not come to judge things with liberality and truth.

It isn't enough to talk about peace; one must believe in it. And it isn't enough to believe in it; one must work at it.

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

Man is always prey to his truths. Once he has admitted them, he cannot free himself from them.

Truth is stranger than fiction, but it is because Fiction is obliged to stick to possibilities; Truth isn't.

The trust of the innocent is the liar's most useful tool.

Facts do not cease to exist because they are ignored.

A conscience without God is like a court without a judge.

Never tell the truth to people who are not worthy of it.

There is nothing so powerful as truth - and often nothing so strange.

Strive always to excel in virtue and truth.

I do not want the peace which passeth understanding, I want the understanding which bringeth peace.

The practice of forgiveness is our most important contribution to the healing of the world.

The meaning of peace is the absence of opposition to socialism.

Love truth, but pardon error.

The pure and simple truth is rarely pure and never simple.

Do not trust all men, but trust men of worth; the former course is silly, the latter a mark of prudence.

Comfort is no test of truth. Truth is often far from being comfortable.