Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.

If... the motion of the earth were circular, it would be violent and contrary to nature, and could not be eternal, since ... nothing violent is eternal .... It follows, therefore, that the earth is not moved with a circular motion.

The Study of philosophy is not that we may know what men have thought, but what the truth of things is.

The splendor of a soul in grace is so seductive that it surpasses the beauty of all created things.

If, then, you are looking for the way by which you should go, take Christ, because He Himself is the way.

When fear is excessive it can make many a man despair.

Prostitution in the towns is like the cesspool in the palace; take away the cesspool and the palace will become an unclean and evil smelling-place.