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science opportunity thinking
Richard P. Feynman I can live with doubt and uncertainty and not knowing. I think it is much more interesting to live not knowing than to have answers that might be wrong. If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives. We will not become enthusiastic for the fact, the knowledge, the absolute truth of the day, but remain always uncertain … In order to make progress, one must leave the door to the unknown ajar.
science measurement momentum
Richard P. Feynman Unless a thing can be defined by measurement, it has no place in a theory. And since an accurate value of the momentum of a localized particle cannot be defined by measurement it therefore has no place in the theory.
science progress theory
Richard P. Feynman Progress in science comes when experiments contradict theory.
science thinking law
Richard P. Feynman The game I play is a very interesting one. It's imagination in a straightjacket, which is this: that it has to agree with the known laws of physics. ... It requires imagination to think of what's possible, and then it requires an analysis back, checking to see whether it fits, whether its allowed, according to what's known, okay?
science names bird
Richard P. Feynman You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing -- that's what counts.
science play theoretical-physics
Richard P. Feynman It is odd, but on the infrequent occasions when I have been called upon in a formal place to play the bongo drums, the introducer never seems to find it necessary to mention that I also do theoretical physics.
science progress trying
Richard P. Feynman We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.
science thinking doubt
Richard P. Feynman Science is a way to teach how something gets to be known, what is not known, to what extent things are known (for nothing is known absolutely), how to handle doubt and uncertainty, what the rules of evidence are, how to think about things so that judgments can be made, how to distinguish truth from fraud, and from show.
civilization history moral nice record
Harlan Ellison K is for Kenghis Khan. He was a very nice person. History has no record of him. There is a moral in that, somewhere.
civilization local pillar
Stewart Brand I was a glassy-eyed undergraduate. It was a pillar of local civilization.
civilization lasts analysis
Will Durant In the last analysis civilization is based upon the food supply.
civilization long achievement
Rose Macaulay what about Christianity? Are we right in the face of so long a record of its poverty in international achievement, to keep invoking it as a standard, almost synonymous with civilization?
civilization political democracy
Winston Churchill Nothing can be more abhorrent to democracy than to imprison a person or keep him in prison because he is unpopular. This is really the test of civilization.
civilization victory series
William Harvey Civilization is only a series of victories against nature.
civilization armenia
William E. Gladstone To serve Armenia is to serve civilization.
civilization exhausted resources
William E. Gladstone The resources of civilization are not yet exhausted.
civilization evil specialization
Wendell Berry Specialization is the great evil of civilization.