Suppose that men kill thee, cut thee in pieces, curse thee, what can these things do to prevent thy mind from remaining pure, wise, sober, just?

Do not think that what is hard for you to master is humanly impossible; but if a thing is humanly possible, consider it to be within your reach.

The world is mere change, and this life, opinion.

Whatever anyone does or says, I must be emerald and keep my colour.

Put it out of the power of truth to give you an ill character. If anybody reports you not to be an honest man let your practice give him the lie.

A man must stand erect, not be kept erect by others.

Are you distracted by outward cares? Then allow yourself a space of quiet wherein you can add to your knowledge of the Good and learn to curb your restlessness. Nowhere can a man find a quieter or more untroubled retreat than in his own soul. Avail yourself often, then, of this retirement, and so continually renew yourself.