A man does not sin by commission only, but often by omission. Marcus Aurelius, Meditations, Book nine More Quotes by Marcus Aurelius, Meditations, Book nine More Quotes From Marcus Aurelius, Meditations, Book nine It is a sin to persue pleasure as a good and to avoid pain as a evil. Marcus Aurelius, Meditations, Book nine The sinners sins against himself; the wrongdoer wrongs himself, becoming the worse by his own action. Marcus Aurelius, Meditations, Book nine