By doubting we are led to enquire, and by enquiry we perceive the truth.

The purpose and cause of the incarnation was that He might illuminate the world by His wisdom and excite it to the love of Himself.

Nothing can be believed unless it is first understood; and that for any one to preach to others that which either he has not understood nor they have understood is absurd.

God considers not the action, but the spirit of the action.

We call an intention good which is right in itself, but the action is good, not because it contains within it some good, but because it issues from a good intention.

By doubting we come to questioning, and by questioning we perceive the truth.

I preferred the weapons of dialectic to all the other teachings of philosophy, and armed with these, I chose the conflicts of disputation rather than the trophies of war.