Meditations by Marcus Aurelius Book 7 Page 16

understand, that all anger and passion is against reason. For if thou shalt not be sensible of thine innocence; if that also shall be gone from thee, the comfort of a good conscience, that thou doest all things according to reason: what shouldest thou live any longer for?

All things that now thou seest, are but for a moment. That nature, by which all things in the world are administered, will soon bring change and alteration upon them, and then of their substances make other things like unto them: and then soon after others again of the matter and substance of these: that so by these means, the world may still appear fresh and new.

XIX. Whensoever any man doth trespass against other, presently consider with thyself what it was that he did suppose to be good, what to be evil, when he did