"The greatest discovery yet to be made is the discovery of what we do not know."

"The atomic age has brought with it great challenges, but also great opportunities."

"I remember my friend Johnny von Neumann used to say, 'with four parameters I can fit an elephant and with five I can make him wiggle his trunk.'"

"Don't ever do a calculation without knowing the answer."

"When asked what characteristics Nobel prize winning physicists had in common I cannot think of a single one not even intelligence."