“We do not learn only from great minds; we learn from everyone, if only we observe and inquire.”

“It's been said before: 'The sleep of reason produces monsters.”

“Put a man on the brink of the abyss and - in the unlikely event that she doesn't fall into it - he will become a mystic or a madman... Which is probably the same thing!”

“We learn from history that we do not learn from history.”

“We do not learn from experience... we learn from reflecting on experience.”

“What we learn from history is that we do not learn from history”

“Real understanding does not come from what we learn in books; it comes from what we learn from love of nature, of music, of man. For only what is learned in that way is truly understood.”