“Life is doubt,
And faith without doubt is nothing but death.”

“Feed your faith and your doubts will starve to death.”

“There can be no faith without doubt. No strength without temptation. (Rafael)”

“It can be said, without a doubt, that love is the cause of birth and death.”

“What’s inside the box?
Doubt is there.
What’s another name for doubt?
Death is another name for doubt. Death is what inflects the immortal certainty of the universe’s process with uncertainty.”

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

“Faith which does not doubt is dead faith.”

“The opposite of faith is not doubt, it’s certainty.”

“Commitment is healthiest when it is not without doubt but in spite of doubt.”

“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...”