"I think nature's imagination is so much greater than man's, she's never going to let us relax."
Nature
"In a degenerate age, it is no privilege to be alive."
Life
"What I really want to do is to understand the world better."
Wisdom
"I believe that a scientist looking at nonscientific problems is just as dumb as anyone else."
Philosophy
"It is impossible to win the game. The most you can do is not lose."
Life
"The way to solve the world's problems is through physics."
Science
"I don't believe I can really do without teaching. The reason is, I have to have something to do with my life."
Work
"The probability of a person reading this article is high. The probability of a person understanding it is low."
Humor
"Imagine how much harder physics would be if electrons had muscles!"
Humor
"I had always thought that it is important to see the world clearly. I was always taught that it was important to see things as they are."
Truth
"You have to allow for human weaknesses and some allow for less than others."
Kindness
"The most interesting and lively thing about any subject is that there is always more to know about it."
Education
"The effort to understand the universe is one of the very few things that lifts human life a little above the level of farce."
Knowledge
"If all you know is a hammer, everything looks like a nail."
Wisdom
"The good thing about science is that it's true whether or not you believe in it."
Science
"I love my wife. My wife is dead."
Love
"Find something you love to do, and you'll do your best work."
Work
"For every expert, there is an equal and opposite expert."
Humor
"The same equations have the same solutions."
Science
"You can know the name of that bird in all the languages of the world, but when you're finished, you'll know absolutely nothing about the bird."
Knowledge
"I would rather have one life well lived than several half-lived."
Life
"There is no dishonor in losing the race. There is only dishonor in not running."
Courage
"In physics, you don't have to go around making trouble for yourself."
Wisdom
"How can we say that a function is growing when the function is oscillating?"
Humor
"The more success the quantum theory has, the sillier it looks."
Science
"People are very eager to believe that if only one thing were changed, everything would be okay."
Philosophy
"What is the structure of space, and time, and matter?"
Science
"We are to admit no more causes of any effect than such as are both true and sufficient to account for it."
Wisdom
"I'd hate to die twice. It's so boring."
Humor
"The key to science is this: it doesn't give you answers that last forever. Technology is always changing."
Technology