I have striven not to laugh at human actions, not to weep at them, nor to hate them, but to understand them.

Men govern nothing with more difficulty than their tongues, and can moderate their desires more than their words.

Will and intellect are one and the same.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

Pride is pleasure arising from a man's thinking too highly of himself.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.