The Stoical categories, too, have an historical significance.
Aurelius throughout his life adhered to the Stoical philosophy.
Through all his Stoical training Aurelius preserved the natural sweetness of his nature.
Natorp's article quoted there gives the reference to the passage in Aristotle, but does not recognize its connexion with the later Stoical distinction.
Henceforward, however, he assumed a stoical demeanour, which, united to a policy tyrannical and pitilessly thorough, became the characteristic of his life.