“Certainly you will have doubts. There will be questionings and faith will return again. That is how faith is established.”

“How shall the dead arise, is no question of my faith; to believe only possibilities, is not faith, but mere philosophy.”

“The rational scrutiny of religious faith involves asking believers only two questions:

How do you know that?

What makes you so sure that the claims of your faith are right and the claims of other faiths are wrong?”

“Doubt isn't the opposite of faith; it is an element of faith.”

“Faith which does not doubt is dead faith.”

“Question: What is the opposite of faith?

Not disbelief. Too final, certain, closed. Itself is a kind of belief.

Doubt.”

“If you don't have doubts you're either kidding yourself or asleep. Doubts are the ants in the pants of faith. They keep it awake and moving.”

“I show you doubt, to prove that faith exists.”

“Faith is a wonderful thing, but doubt gets you an education.”

“Some laymen feel that, out of loyalty, they ought to cling to ancient ways of expressing the Christian faith and that to doubt is to sin. But doubt is not the enemy of faith. It is the growing edge of faith...”