Excerpt from Meditations by Marcus Aurelius.

From Apollonius

: moral freedom, the certainty to ignore the dice of fortune, and have no other perspective, even for a moment, than that of reason alone; to be always the same man, unchanged in sudden pain, in the loss of a child, in lingering sickness; to see clearly in his living example that a man can combine intensity and relaxation; not to be impatient in explanation; the observance of a man who clearly regarded as the least of his gifts his experience and skill in communicating his philosophical insights;