I have, alas! Philosophy, Medicine, Jurisprudence too, And to my cost Theology, With ardent labor, studied through. And here I stand, with all my lore, Poor fool, no wiser than before.

The history of mankind is his character.

To understand one thing well is better than understanding many things by halves.

What we agree with leaves us inactive, but contradiction makes us productive.

Love and desire are the spirit's wings to great deeds.

Those only obtain love, for the most part, who seek it not.

Self-knowledge comes from knowing other men.