"Man, unlike anything organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments."

"It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure on the world."

"Man is the only kind of varmint sets his own trap, baits it, then steps in it."

"The discipline of the written word punishes both stupidity and dishonesty."

"Few people have the wisdom to prefer the criticism that would do them good, to the praise that deceives them."

"Self-knowledge comes from knowing other men."

"Cunning... is but the low mimic of wisdom."

"Wisdom is the quiet art of recognizing what can be changed and releasing what cannot. In this truth lies the bedrock of all virtue."