"Gravitation cannot be held responsible for people falling in love."
Love
"The most incomprehensible thing about the world is that it is comprehensible."
Philosophy
"If you want to live a happy life, tie it to a goal, not to people or things."
Happiness
"Science is a wonderful thing if one does not have to earn a living at it."
Science
"The only thing that interferes with my learning is my education."
Education
"Creativity is contagious, pass it on."
Creativity
"The significant problems we face cannot be solved at the same level of thinking we were at when we created them."
Wisdom
"If we knew what we were doing, it would not be called research."
Science
"The only thing more dangerous than ignorance is apathy in the face of ignorance."
Knowledge
"Fear is the father of cruelty. Love is the mother of justice."
Fear
"Do not follow in the footsteps of great men; instead, walk in the footsteps of their ideas."
Leadership
"The effort to understand the universe is one of the very few things that lifts human life above the level of farce."
Philosophy
"If I were not Jewish, I would admire the Jews for what they have achieved."
Wisdom
"Not all that counts can be counted, and not all that can be counted counts."
Wisdom
"The difference between stupidity and genius is that genius has its limits."
Wisdom
"Since the mathematicians have invaded the theory of relativity, I do not understand it myself."
"It is my conviction that killing under the cloak of war is nothing but an act of murder."
Peace
"In each of us there is a little voice that knows which way to go. And if we are willing to listen to it, all will be well."
Wisdom
"The most beautiful thing we can experience is the mysterious."
"To raise new questions is more important than to resolve old ones."
Education
"I do not believe in immortality of the individual, and I consider ethics to be an exclusively human concern."
Faith
"The only path to wisdom is through persistent questioning and humble listening."
Wisdom
"The most powerful thing in the universe is not force, but imagination."
Imagination
"If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut."
Success
"I have no special talents. I am only passionately curious."
"One should as a rule respect public opinion in so far as is necessary to avoid starvation and to prevent one's children from being deserted."
Philosophy
"The truth is like a lion; you don't have to defend it. Let it loose; it will defend itself."
Truth
"Few are those who see with their own eyes and feel with their own hearts."
"Look deep into nature, and then you will understand everything better."
Nature
"My life is my message."
Life