“The first part of madness is believing what you hear. The Second is acting on it.”

“The first part of madness is believing what you hear. The Second is acting on it.”

“Sixty years ago the idea of everyone having a telephone in their pockets was science fiction. Our whole way of life is science fiction, if you look at it from the past.”

“A good scientist must accept the challenge that one day everything he believes could be wrong.”