Never memorize something that you can look up. - Albert Einstein

"If you can't explain it to a six year old, you don't understand it yourself."

"Combinatory play seems to be the essential feature in productive thought."

"A foolish faith in authority is the worst enemy of truth."

"Whoever is careless with the truth in small matters cannot be trusted with important matters"

"Try not to become a man of success. Rather become a man of value."