Everything is interwoven, and the web is holy; none of its parts are unconnected. They are composed harmoniously, and together - they compose the world.

The happiness of your life depends upon the quality of your thoughts: therefore, guard accordingly, and take care that you entertain no notions unsuitable to virtue and reasonable nature.

The things you think about determine the quality of your mind. Your soul takes on the color of your thoughts.

A person's worth is measured by the worth of what he values.

Gluttony and drunkenness have two evils attendant on them; they make the carcass smart, as well as the pocket.

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.

Think of yourself as dead. You have lived your life. Now, take what's left and live it properly. What doesn't transmit light creates its own darkness.