"I never made one of my discoveries through the process of rational thinking."

"I live in that solitude which is painful in youth, but delicious in the years of maturity."

"I have no special talent. I am only passionately curious."

"The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one."

"The difference between stupidity and genius is that genius has its limits."

"Love is a better master than duty."

"I see my life in terms of music."

"It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure."

"What is right is not always popular and what is popular is not always right."

"A clever person solves a problem. A wise person avoids it."

"The measure of intelligence is the ability to change."

"The most beautiful experience we can have is the mysterious. It is the fundamental emotion that stands at the cradle of true art and true science."

"Most people go on living their everyday life: frightened half indifferent they behold the ghostly tragi-comedy that has been performed on the international stage before the eyes and ears of the world."

"The strength of the Constitution lies entirely in the determination of each citizen to defend it. Only if every single citizen feels duty bound to do his share in this defense are the constitutional rights secure."

"Time is an illusion."

"Everything has changed. . . except the way we think. The aim [of education] must be the training of independently acting and thinking individuals, who, however, see in the service of community their highest life problems."

"It occurred to me by intuition, and music was the driving force behind that intuition. My discovery was the result of musical perception."

"Life is like riding a bicycle. To keep your balance, you must keep moving."

"The golden proportion is a scale of proportions which makes the bad difficult to produce and the good easy."

"Information is not knowledge."

"If I had known they were going to do this, I would have become a shoemaker."

"Memory is deceptive because it is colored by today's events."

"For an idea that does not first seem insane, there is no hope."

"It is my conviction that killing under the cloak of war is nothing but an act of murder."

"Weakness of attitude becomes weakness of character."

"Heroism on command, senseless violence, and all the loathsome nonsense that goes by the name of patriotism - how passionately I hate them!"

"If one tries to navigate unknown waters one runs the risk of shipwreck."

"Great spirits have always encountered opposition from mediocre minds. The mediocre mind is incapable of understanding the man who refuses to bow blindly to conventional prejudices and chooses instead to express his opinions courageously and honestly."

"It seems to me that the idea of a personal God is an anthropological concept which I cannot take seriously. I also cannot imagine some will or goal outside the human sphere... Science has been charged with undermining morality, but the charge is unjust. A man's ethical behavior should be based effectually on sympathy, education, and social ties and needs; no religious basis is necessary. Man would indeed be in a poor way if he had to be restrained by fear of punishment and hope of reward after death."

"Occurrences in this domain are beyond the reach of exact prediction because of the variety of factors in operation, not because of any lack of order in nature."

"Most people say that it is the intellect which makes a great scientist. They are wrong: it is character."

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

"Logic will get you from A to Z; imagination will get you everywhere."

"True human progress is based less on the inventive mind than on the conscience of such men as Brandeis."

"Without deep reflection one knows from daily life that one exists for other people."

"When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity."

"Peace cannot be kept by force; it can only be achieved by understanding."

"If you want to live a happy life, tie it to a goal, not to people or things."

"The question that sometime's drive's me hazy, am i or the other's crazy?"

"Anger dwells only in the bosom of fools."

"I can't believe that God plays dice with the universe."

"The world won't be destroyed by those who do evil, but by those who watch them without doing anything."

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

"It is harder to crack prejudice than an atom."

"Everything that is really great and inspiring is created by the individual who can labor in freedom."

"The deep emotional conviction of the presence of a superior reasoning power which is revealed in the incomprehensible universe forms my idea of God."

"You never fail until you stop trying."

"Only a life lived for others is a life worthwhile."

"Possessions, outward success, publicity, luxury - to me these have always been contemptible. I believe that a simple and unassuming manner of life is best for everyone, best for both the body and the mind."

"Reality is merely an illusion, albeit a very persistent one."