“Don't join the book burners. Do not think you are going to conceal thoughts by concealing evidence that they ever existed.”

“Don't join the book burners. Don't think you're going to conceal faults by concealing evidence that they ever existed. Don't be afraid to go in your library and read every book...”

“Never waste a minute thinking about people you don't like.”

“I like to believe that people in the long run are going to do more to promote peace than our governments. Indeed, I think that people want peace so much that one of these days governments had better get out of the way and let them have it.”

“The world could be fixed of its problems if every child understood the necessity of their existence.”

“Pull the string and it will follow wherever you wish. Push it, and it will go nowhere at all.”

“Always try to associate yourself with and learn as much as you can from those who know more than you do, who do better than you, who see more clearly than you.”