Famous Quotes & Sayings

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.

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.

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.

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.

Richard P. Feynman

Scientists are explorers. Philosophers are tourists.

Richard P. Feynman

The difficulty really is psychological and exists in the perpetual torment that results from your saying to yourself, "But how can it be like that?" which is a reflection of uncontrolled but utterly vain desire to see it in terms of something familiar. ... If you will simply admit that maybe [Nature] does behave like this, you will find her a delightful, entrancing thing. Do not keep saying to yourself, if you can possible avoid it, "But how can it be like that?" because you will get 'down the drain', into a blind alley from which nobody has escaped. Nobody knows how it can be like that.

Richard P. Feynman

If you thought that science was certain - well, that is just an error on your part.

Richard Dawkins

Cheetah genes cooperate with cheetah genes but not with camel genes, and vice versa. This is not because cheetah genes, even in the most poetic sense, see any virtue in the preservation of the cheetah species. They are not working to save the cheetah from extinction like some molecular World Wildlife Fund.

Richard Whately

To teach one who has no curiosity to learn, is to sow a field without ploughing it.

Carolyn Brown

I think the ACLU may be able to support the law here in Kansas. It is being written in a way that does not take away the right to assemble.

John Goodwin

Law enforcement authorities have been after him for a long time.

Fred Walker

I don't know because there's no law pertaining to this in Crawford County,

Howard Safir

He is in my view the perfect law enforcement officer,

Dick DeGuerin

He looks at the law and he sees what he wants to see, and he prosecutes what he thinks ought to be prosecuted, rather than what it is.

Richard Perle

Right now, American law bars the admission of aliens suspected of terrorist activity - but not of terrorist sympathies.

Richard P. Feynman

We can deduce, often, from one part of physics like the law of gravitation, a principle which turns out to be much more valid than the derivation.

Richard P. Feynman

One cannot understand... the universality of laws of nature, the relationship of things, without an understanding of mathematics. There is no other way to do it.

Richard P. Feynman

Everything we know is only some kind of approximation, because we know that we do not know all the laws yet. Therefore, things must be learned only to be unlearned again or, more likely, to be corrected.

Keith Haring

People were more interested in the phenomena than the art itself. This, combined with the growing interest in collecting art as an investment and the resultant boom in the art market, made it a difficult time for a young artist to remain sincere without becoming cynical.

Joe Henderson

I was joking but he took responded seriously: 'I would know, and I couldn't live with myself knowing that I'd only run 97 miles or whatever.'

Amy Walter

Kerry's focus and his message has really been middle class, middle America, 'I'm standing up for the little guy' and middle class investors respond to that, but that raises the question of how do you go back and talk to the business community after that.

Colleen Atwood

Knowing who the actors were as you were designing them helped, with Catherine's beauty and Renee's frailty, they directed me visually just by who they were.

Marge Schott

Kids used to tease me unmercifully about that name.

Jim Rice

Knowledge is power. Your education is the most important thing you can do.

Dayton Duncan

Jackson's trip stands at the cusp of major change in the United States for transportation, ... To a great extent, he was still traveling through a 19th-century America that hadn't changed much since the 1860s or so.

John Fogerty

I wrote that song for my wife, and it's what some guy who's sitting under a tree would be singing to the woman of his life, telling her how wonderful she is. To me, that's more lasting than something that sounds like it belongs on a movie soundtrack.

Charles Barron

Katrina showed America that race and class matters,