Marcus Aurelius

Begin the morning by saying to yourself: today I shall meet with the busybody, the ungrateful, the arrogant, the deceitful, the envious and the unsocial.

Marcus Aurelius, 121–180
Begin the morning by saying to yourself: today I shall meet with the busybody, the ungrateful, the arrogant, the deceitful, the envious and the unsocial. — Marcus Aurelius