It is possible to demonstrate God's existence, although not a priori, yet a posteriori from some work of His more surely known to us.
Faith does not quench desire, but inflames it.
The light of faith makes us see what we believe.
He who achieves power by violence does not truly become lord or master.
The Study of philosophy is not that we may know what men have thought, but what the truth of things is.
There is but one Church in which men find salvation, just as outside the ark of Noah it was not possible for anyone to be saved.