Meditation 8.40
Marcus AureliusMeditationsBook 8.40
40. If you cancel your judgement about what seems to pain you, you yourself stand firm on surest ground. 'What is self?' 'Reason.' 'But I am not reason.' 'Granted; then do not let reason itself trouble itself, but if some other part of you is harmed, let it form its own judgement about itself.'