Marcus Aurelius: “A branch cut off from the adjacent branch must of necessity be cut off from the whole tree also.”

As thou intendest to live when them art gone out, ... so it is in thy power to live here.

For he who yields to pain and he who yields to anger, both are wounded and both submit.

Further, I owe it to the gods that I was not hurried into any offence against any of them, though I had a disposition which, if opportunity had offered, might have led me to do something of this kind; but, through their favor, there never…

Begin the morning by saying to thyself, I shall meet with the busybody, the ungrateful, arrogant, deceitful, envious, unsocial.