Prometheus... found the human race in a pitiable condition. They saw, he says, but they really saw not: they heard, but they understood not: they wer… - George Long

A man's greatness lies not in wealth and station, as the vulgar believe, not yet in his intellectual capacity, which is often associated with the meanest moral character, the most abject servility to those in high places and arrogance to the poor and lowly; but a man's true greatness lies in the consciousness of an honest purpose in life, founded on a just estimate of himself and everything else, on frequent self-examination, and a steady obedience to the rule which he knows to be right, without troubling himself, as the emperor [Marcus Aurelius] says he should not, about what others may think or say, or whether they do or do not do that which he thinks and says and does.

Antoninus does not treat of Politic. His subject is Ethic, and Ethic in its practical application to his own conduct in life as a man and as a governor. His Ethic is founded on his doctrines about man's nature, the Universal Nature, and the relation of every man to everything else. It is therefore intimately and inseparably connected with Physic or the Nature of Things and with Theology or the Nature of the Deity.

From the time of Zeno to Simplicius, a period of about nine hundred years, the Stoic philosophy formed the characters of some of the best and greatest men. Finally it became extinct, and we hear no more of it til the revival of letters in Italy.