Peaceful disputes are maintained when men sincerely believe that they are morally, logically correct about the issues at hand. It is when neither side is really certain that wars are instigated.

The devil's happy when the critics run you off.

I always make sure that the world will prove me right. It gives me the freedom to contradict myself.

In God's eyes, a man who teaches one truth and nothing else is more righteous than a man who teaches a million truths and one lie.

It can be a good thing if deeper theology, or philosophy, only makes one more uncertain. It may lead to a healthy doubt; he may throw his hands up saying, 'God, I just don't know anymore. If you're out there, I'm giving it all to you.' From there, after the surrender, he is allowing God himself, rather than theories, books, and documents, to take over and lead him into all truth.

When your only regret is if anyone thinks you regret anything - that is the definition of conviction.

It's not about whether or not someone is a bigot, but whether or not the argument which that someone is arguing is worth being a bigot about.

Because you're always learning, the chief lesson remains: you still know nothing.

It is better to doubt that a concept is stupidly flying under your head than profoundly flying over your head.