“Reviewing what you have learned and learning anew, you are fit to be a teacher.”

“A library is a place where you learn what teachers were afraid to teach you.”

“Experience is a brutal teacher, but you learn fast.”

“Of course you don't know it, it is called learning, if you already knew it, it would be called review.”

“You can get help from teachers, but you are going to have to learn a lot by yourself, sitting alone in a room.”

“Life itself is your teacher, and you are in a state of constant learning.”

“… it's not just learning that's important. It's learning what to do with what you learn and learning why you learn things that matters.”

“I have great respect for the unconditional teachers called books. Because from a book, you can either learn, or you can’t.”

“Become such as you are, having learned what that is”

“When asked what learning was the most necessary, he said, "Not to unlearn what you have learned."”