The crowns of kings do not prevent those who wear them from being tormented sometimes by violent headaches.
When I myself had twice or thrice made a resolute resistance unto anger, the like befell me that did the Thebans; who, having once foiled the Lacedaemonians (who before that time had held themselves invincible), never after lost so much as one battle which they fought against them.
Of all the disorders in the soul, envy is the only one no one confesses to.
He who owns a hundred sheep must fight with fifty wolves
Nature and wisdom never are at strife.
The mind is not a vessel to be filled but a fire to be kindled.