But whoever gives birth to useless children, what would you say of him except that he has bred sorrows for himself, and furnishes laughter for his enemies.
A man though wise, should never be ashamed of learning more, and must unbend his mind.
Kindness gives birth to kindness.
Astronomy? Impossible to understand and madness to investigate.
Dark, dark! The horror of darkness, like a shroud, wraps me and bears me on through mist and cloud.
A wise man does not chatter with one whose mind is sick.