"If someone feels that they had never made a mistake, it means they had never tried a new thing even once in their entire life."
Courage
"I believe in intuition and inspiration. Imagination is more important than knowledge."
Imagination
"The most incomprehensible thing about the world is that it is comprehensible."
Wisdom
"The process of scientific discovery is, in effect, a continuous flight from wonder."
Science
"Teaching should be such that what is offered is perceived as a valuable gift and not as a hard duty."
Education
"It occurred to me by intuition, and music was the driving force behind that intuition."
Music
"The true definition of madness is repeating the same action and expecting a different result."
Philosophy
"A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it."
Science
"If we knew what it was we were doing, it would not be called research, would it?"
Science
"Weakness of attitude becomes weakness of character."
"Men marry women with the hope they will never change. Women marry men with the hope they will change. Invariably they are both disappointed."
Humor
"I have no special talents. I am only passionately curious."
"In order to form an immaculate member of a flock of sheep one must, above all, be a sheep."
Wisdom
"The secret to creativity is knowing how to hide your sources."
Creativity
"The task is not so much to see what no one has yet seen, but to think what nobody has yet thought about that which everybody sees."
Wisdom
"Great spirits have always encountered violent opposition from mediocre minds."
Courage
"A question that sometimes drives me hazy: am I or are the others crazy?"
Humor
"It is the absurd which stimulates and makes them creative."
Creativity
"I never think of the future. It comes soon enough."
Time
"The only real valuable thing is intuition."
Wisdom
"Perfect is the enemy of good."
Patience
"If you would be a real seeker of truth, it is necessary that at least once in your life you doubt everything, as far as possible."
Truth
"Life for a successful man is a misery."
Success
"The wind and the stars talked about the light."
Nature
"Curiosity is a delicate little plant which, aside from curiosity, stands in need of freedom in order to survive."
Freedom
"One should as a rule respect public opinion in so far as is necessary to avoid starvation and to prevent one's being cast into prison."
Politics
"A person should set his goals as early as he can and devote all his energy and talent to getting there."
Dreams
"Intellectual growth should commence at birth and cease only at death."
Education
"Try to become a man of value instead of a man of success."
"My life is my message."
Life