Meditations by Marcus Aurelius Book 1 Page 5

all, though never so little, but right and reason: and always, whether in the sharpest pains, or after the loss of a child, or in long diseases, to be still the same man; who also was a present and visible example unto me, that it was possible for the same man to be both vehement and remiss: a man not subject to be vexed, and offended with the incapacity of his scholars and auditors in his lectures and expositions; and a true pattern of a man who of all his good gifts and faculties, least esteemed in himself, that his excellent skill and ability to teach and persuade others the common theorems and maxims of the Stoic philosophy.

Of him also I learned how to receive favours and kindnesses (as commonly they are accounted:) from friends, so that I might not become obnoxious unto them, for them, nor more yielding upon