The soul in sleep gives proof of its divine nature.

Mathematics is an obscure field, an abstruse science, complicated and exact; yet so many have attained perfection in it that we might conclude almost anyone who seriously applied himself would achieve a measure of success.

This is a proof of a well-trained mind, to rejoice in what is good and to grieve at the opposite.

Rashness attends youth, as prudence does old age.

Every man should bear his own grievances rather than detract from the comforts of another.

The function of wisdom is to discriminate between good and evil.

Every man can tell how many goats or sheep he possesses, but not how many friends.