If anyone conceives that he is loved by another, and believes that he has given no cause for such love, he will love that other in return.

Self-complacency is pleasure accompanied by the idea of oneself as cause.

A free man thinks of nothing less than of death; and his wisdom is a meditation not on death but on life.

Freedom is self-determination.

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

The human mind cannot be absolutely destroyed along with the body, but something of it remains, which is eternal.

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