... being perpetually charmed by his familiar siren, that is, by his geometry, he neglected to eat and drink and took no care of his person; that he was often carried by force to the baths, and when there he would trace geometrical figures in the ashes of the fire, and with his finger draws lines upon his body when it was anointed with oil, being in a state of great ecstasy and divinely possessed by his science.
PlutarchIt is indeed a desirable thing to be well-descended, but the glory belongs to our ancestors.
PlutarchSo long as he was personally present, [Alcibiades] had the perfect mastery of his political adversaries; calumny only succeeded in his absence.
PlutarchHe who busies himself in mean occupations, produces in the very pains he takes about things of little or no use, an evidence against himself of his negligence and indisposition to what is really good
Plutarch