"Children are not to be taught by force and harshness, but by directing them to what amuses their minds so that you may be better able to discover with accuracy the peculiar bent of the genius of each."

"The human mind is a device for measuring the universe."

"The only way to gain wisdom is to make mistakes, learn from them, and move on."

"Perhaps it's good for one to suffer a little."

"Words are like X-rays if you use them properly – they'll go through anything. You read yourself and at the end of it you'll be transparent. You'll understand everything."