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

“Sometimes I think it is my mission to bring faith to the faithless, and doubt to the faithful.”

“Reason is the presupposition of faith, and faith is the fulfillment of reason.”

“The separation of faith and love is always a consequence of a deterioration of religion.”

“In the courageous standing of uncertainty, faith shows most visibly its dynamic character.”

“Faith as the state of being ultimately concerned implies love, namely, the desire and urge toward the reunion of the seperated.”

“In this respect fundamentalism has demonic traits. It destroys the humble honesty of the search for truth, it splits the conscience of its thoughtful adherents, and it makes them fanatical because they are forced to suppress elements of truth of which they are dimly aware”