Search men's governing principles, and consider the wise, what they shun and what they cleave to.
Within ten days thou wilt seem a god to those to whom thou art now a beast and an ape, if thou wilt return to thy principles and the worship of reason.
Bear in mind that the measure of a man is the worth of the things he cares about.
Do not act as if you had a thousand years to live.
To live happily is an inward power of the soul.
Wilt thou, then, my soul, never be good and simple and one and naked, more manifest than the body which surrounds thee?