When force of circumstance upsets your equanimity lose no time in recovering your self-control, and do not remain out of tune longer than you can help. Habitual recurrence to the harmony will increase your mastery of it.

A lucky chance is constant in nothing but inconstancy.

Every man's life lies within the present; for the past is spent and done with, and the future is uncertain.

Humans have come into being for the sake of each other, so either teach them, or learn to bear them.

You must become an old man in good time if you wish to be an old man long.

He would be the finer gentleman that should leave the world without having tasted of lying or pretence of any sort, or of wantonness or conceit.

From Apollonius I learned freedom of will and undeviating steadiness of purpose; and to look to nothing else, not even for a moment, except to reason.