A passage from Marcus Aurelius
Marcus Aurelius, Meditations 4.22
✱
Put from thee the opinion which thou hast that this is a wearisome thing, and the thing is changed: so too with thy foot, if thou keep it still on the footboard.
Related passages
✱
Begin the morning by saying to thyself, I shall meet with the busy-body, the ungrateful, arrogant, deceitful, envious, unsocial.
✱
Take away thy opinion, and then there is taken away the complaint, 'I have been harmed.' Take away the complaint, and the harm is taken away.
✱
At dawn, when you have trouble getting out of bed, tell yourself: 'I have to go to work — as a human being.'