When Demosthenes was asked what were the three most important aspects of oratory, he answered, 'Action, Action, Action.'

Man is neither by birth nor disposition a savage, nor of unsocial habits, but only becomes so by indulging in vices contrary to his nature.

Nothing can produce so great a serenity of life as a mind free from guilt and kept untainted, not only from actions, but purposes that are wicked. By this means the soul will be not only unpolluted but also undisturbed. The fountain will run clear and unsullied.

Note that the eating of flesh is not only physically against nature, but it also makes us spiritually coarse and gross by reason of satiety and surfeit.

Neither blame or praise yourself.

Silence is an answer to a wise man.

For to err in opinion, though it be not the part of wise men, is at least human.