One universe made up all that is; and one God in it all, and one principle of being, and one law, the reason shared by all thinking creatures, and one truth.

Cultivate these, then, for they are wholly within your power: sincerity and dignity; industriousness; and sobriety. Avoid grumbling, be frugal, considerate, and frank; be temperate in manner and speech; carry yourself with authority.

If any man should conceive certain things as being really good, such as prudence, temperance, justice, fortitude, he would not after having first conceived these endure to listen to anything which should not be in harmony with what is really good.

If you are pained by any external thing, it is not this that disturbs you, but your own judgment about it.

A good man does not spy around for the black spots in others, but presses unswervingly on towards his mark.

Take me and cast me where you will; I shall still be possessor of the divinity within me, serene and content.

Hast thou reason? I have. Why then dost not thou use it? For if this does its own work, what else dost thou wish?