Friendship requires a steady, constant, and unchangeable character, a person that is uniform in his intimacy.
PlutarchLearn to be pleased with everything, with wealth so far as it makes us beneficial to others; with poverty, for not having much to care for; and with obscurity, for being unenvied.
PlutarchFor the correct analogy for the mind is not a vessel that needs filling, but wood that needs igniting.
Plutarch