Without armaments peace cannot be kept; wars are waged not only to repel injustice but also to establish a firm peace.

Snakes and monkeys are subjected to the demon more than other animals. Satan lives in them and possesses them. He uses them to deceive men and to injure them.

Great people and champions are special gifts of God, whom He gives and preserves; they do their work, and achieve great actions, not with vain imaginations, or cold and sleepy cogitations, but by motion of God.

The spiritual rest, which God particularly intends in this Commandment, is this: that we not only cease from our labor and trade, but much more, that we let God alone work in us and that we do nothing of our own with all our powers.

I shall never be a heretic; I may err in dispute, but I do not wish to decide anything finally; on the other hand, I am not bound by the opinions of men.

Of all deadly sins, this is the most deadly, namely, that any one should think he is not guilty of a damnable and deadly sin before God.

Music is a discipline, and a mistress of order and good manners, she makes the people milder and gentler, more moral and more reasonable.