Being a father is the most rewarding thing a man whose career has plateaued can do.

Men cling to life even at the cost of enduring great misfortune.

Every great genius has an admixture of madness.

The soul suffers when the body is diseased or traumatized, while the body suffers when the soul is ailing.

Men regard it as their right to return evil for evil and, if they cannot, feel they have lost their liberty.

The good lawgiver should inquire how states and races of men and communities may participate in a good life, and in the happiness which is attainable by them.

In inventing a model we may assume what we wish, but should avoid impossibilities.