Quotes of All Topics . Occasions . Authors
Large increases in cost with questionable increases in performance can be tolerated only in race horses and women.
My father said, Don't grow up to be a woman, and what he meant by that was, a housewife ... without any interests.
Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves.
The experimenter dealing with nature faces an outside and often hard world. Natures' curriculum cannot be changed.
The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.
Fall in love with some activity, and do it! Nobody ever figures out what life is all about, and it doesn't matter.
It is the fact that the electrons cannot all get on top of each other that makes tables and everything else solid.
The fact that I was going to be the first American woman to go into space carried huge expectations along with it.
Science is beautiful when it makes simple explanations of phenomena or connections between different observations.
Why are we here? Where do we come from? Traditionally, these are questions for philosophy, but philosophy is dead.
Or in other words, why does disorder increase in the same direction of time as that in which the universe expands?
If I have questions about the universe on my mind when I go to bed, I can't turn off. I dream equations all night.
The historian of science may be tempted to exclaim that when paradigms change, the world itself changes with them.
If laws are just properties of objects, how can those laws continue to operate when the object is not really there?
Anything worth doing is worth doing twice, the first time quick and dirty and the second time the best way you can.
[The 1975 Chase Econometrics] showed that for every one dollar spent on Apollo, 14 came back into the U.S. economy.
I strongly believe in the existence of God, based on intuition, observations, logic, and also scientific knowledge.
We will have to be very vigilant that young female scientists have the same opportunities as their male colleagues.
Individual curiosity, often working without practical ends in mind, has always been a driving force for innovation.
Science cannot resolve moral conflicts, but it can help to more accurately frame the debates about those conflicts.
I do not know what I may appear to the world, but to myself I seem to have been only a boy playing on the seashore.
Evolution, of course, is not something that simply applies to life here on earth; it applies to the whole universe.
It seems a little paradoxical to construct a configuration space with the coordinates of points which do not exist.
Each of us must work for his own improvement, and at the same time share a general responsibility for all humanity.
We have the media, which is such a waste in the sense that you can actually feel your IQ get lower as you watch TV.
Movement is life. Life is a process. Improve the quality of the process and you improve the quality of life itself.
The laws of physics ... seem to be the product of exceedingly ingenious design... The universe must have a purpose.
The basis of action on love, the brotherhood of all men, the value of the individual... the humility of the spirit.
The world cannot afford to lose the talents of half it's people if we are to solve the many problems that beset us.
I was always very interested in science, and I knew that for me, science was a better long-term career than tennis.
On a standard space shuttle crew, two of the astronauts have a test pilot background - the commander and the pilot.
The doctor who diagnosed me with ALS, or motor neuron disease, told me that it would kill me in two or three years.
Science is different to all other systems of thought because you dont need faith in it, you can check that it works.
It was almost as incredible as if you fired a 15-inch shell at a piece of tissue paper and it came back and hit you.
If our dreams were more regular, more connected, more stable, they would also have more practical importance for us.
You cannot teach a person something he does not already know, you can only bring what he does know to his awareness.
The latest authors, like the most ancient, strove to subordinate the phenomena of nature to the laws of mathematics.
I'm now a bit anti-Jewish since my last visit to the synagogue, but my atheism does not necessarily reject religion.
The question of the composition of perceptible objects is one which already occupied the mind of the ancient Greeks.
Rediscovery in the library may be a more difficult and uncertain process than the first discovery in the laboratory.
I knew my purpose well and clear: to show how Nature behaves without cluttering its beauty with abtruse mathematics.
'Closed timelike curve' is the jargon for time travel. It means you go out, come back and meet yourself in the past.
You shouldn't be afraid of science. Accepting the reality of nature makes life more exciting and even more precious.
We need to walk into the future, no matter how unnerving, with open eyes if society is to keep pace with technology.
Nearly every understanding is gained by a painful struggle in which belief and unbelief are dramatically interwoven.
What we usually consider as impossible are simply engineering problems... there's no law of physics preventing them.
Global warming is controversial, of course, but the controversy is mainly over whether human activity is driving it.
I would hope that the publicity around the Higgs boson would increase the public awareness of physics and cosmology.
The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.
You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth.