He who is dying of hunger must be fed rather than taught.

Hold firmly that our faith is identical with that of the ancients. Deny this, and you dissolve the unity of the Church.

The Cross to me is certain salvation. The Cross is that which I ever adore. The Cross of the Lord is with me. The Cross is my refuge.

Beware the man of a single book.

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 you can live amid injustice without anger, you are immoral as well as unjust.

For it is necessary in every practical science to proceed in a composite (i.e. deductive) manner. On the contrary in speculative science, it is necessary to proceed in an analytical manner by breaking down the complex into elementary principles.