“To every man is given the key to the gates of heaven. The same key opens the gates of hell. And so it is with science.” — Richard Feynman Copy Share Image
“From a long view of the history of mankind-seen from, say, ten thousand years from now-there can be little doubt that the most significant… — Richard Feynman Copy Share Image
“All of our ideas in physics require a certain amount of common sense in their application; they are not purely mathematical or abstract ideas.” — Richard Feynman Copy Share Image
“I was an ordinary person who studied hard. There are no miracle people. It happens they get interested in this thing and they learn… — Richard Feynman Copy Share Image
“If a Martian (who, we'll imagine, never dies except by accident) came to Earth and saw this peculiar race of creatures - these humans who live about seventy or eighty years, knowing that death is going to come - it would look to him like a terrible problem of psychology to live under those circumstances, knowing that life is only… — Richard Feynman Copy Share
“The guy says, “Buddy, the housing situation in Ithaca is tough. In fact, it’s so tough that, believe it or not, a professor had… — Richard Feynman Copy Share Image
“It doesn't matter how beautiful your theory is ... If it doesn't agree with experiment, it's wrong.” — Richard Feynman Copy Share Image
“Although my mother didn't know anything about science, she had a great influence on me as well. In particular, she had a wonderful sense… — Richard Feynman Copy Share Image
“Take this neat little equation here. It tells me all the ways an electron can make itself comfortable in or around an atom. That's the logic of it. The poetry of it is that the equation tells me how shiny gold is, how come rocks are hard, what makes grass green, and why you can't see the wind. And a… — Richard Feynman Copy Share
“To every man is given the key to the gates of heaven. The same key opens the gates of hell. And so it is… — Richard Feynman Copy Share Image
“But wait,” he said. “Let’s suppose it returns by advanced waves—reactions backward in time—so it comes back at the right time. We saw the… — Richard Feynman Copy Share Image
