"Insanity: doing the same thing over and over again and expecting different results."
"Imagination is everything. It is the preview of life's coming attractions."
"Laws alone can not secure freedom of expression; in order that every man present his views without penalty there must be spirit of tolerance in the entire population."
"The important thing is not to stop questioning. Curiosity has its own reason for existing. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery every day. Never lose a holy curiosity."
"Imagination is more important than knowledge."
"Any fool can make things bigger, more complex, and more violent. It takes a touch of genius - and a lot of courage - to move in the opposite direction."
