O my soul, do not aspire to immortal life, but exhaust the limits of the possible.
Even success softens not the heart of the envious.
The race of gods and men is one, and from one mother we both draw our breath. Yet all the difference in our power holds us apart, so that man is nothing, but the brazen floor of heaven is eternally unshakable.
I will not steep my speech in lies; the test of any man lies in action.
Envy, the attendant of the empty mind.
Natural ability is by far the best, but many men have succeeded in winning high renown by skill that is the fruit of teaching.