Quotes of All Topics . Occasions . Authors
Ordinary photons do have spin, they have a notion of helicity so they spin around their direction on motion.
Science or research is always under pressure to deliver something which can be used immediately for society.
I love the John Glenn model... I may call NASA in 25 years or so, and see if they'd like to send me to Mars.
Theoretical physics is one of the few fields in which being disabled is no handicap - it is all in the mind.
People want to be at the center of the Universe...and they're going to flock to anybody who tells them that.
I have the same sense of the power and virtue of knowledge that some people get from a religious background.
We don't have a solid theory of how the universe originated, but that doesn't mean we have to invoke a deity.
I always found it satisfying that gravity was described by Einstein's geometric theory of general relativity.
When we look out into space, we are looking into our own origins, because we are truly children of the stars.
I've directed a couple of times in the theater, but I wouldn't make a habit of it because it's too consuming.
Real dialogue is where two or more people become willing to suspend their certainty in each other's presence.
I can accept the theory of relativity as little as I can accept the existence of atoms and other such dogmas.
Man is pre-eminently endowed with the power of voluntarily and consciously determining his own point of view.
... mathematics is the science of skillful operations with concepts and rules invented just for this purpose.
An object that is at rest will tend to stay at rest. An object that is in motion will tend to stay in motion.
I find it more comfortable to say I'm an atheist, and for that I probably have someone like Dawkins to thank.
I didn't do much in things mechanical in high school, except learn to square dance and other such activities.
I think it's very important to maintain the classical Christian distinction between the Creator and creation.
We routinely participate in elaborate nonverbal exchanges even when we are not consciously aware of doing so.
[Referring to Fourier's mathematical theory of the conduction of heat] ... Fourier's great mathematical poem.
I mean, the general rule is if you're not prepared to make a mistake, you're not going to make much progress.
Religion belongs to the realm that is inviolable before the law of causation and therefore closed to science.
Chances are, when we meet intelligent life forms in outer space they're going to be descended from predators.
The true meaning of a term is to be found by observing what a man does with it, not by what he says about it.
My own work in spin glass and its consequences has formed some of the intellectual basis for these interests.
The destiny of our society is yours to make and you have a vastly greater importance to the world than we do.
We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
I liked math - that was my favorite subject - and I was very interested in astronomy and in physical science.
People get a lot of confusion, because they keep trying to think of quantum mechanics as classical mechanics.
Our only chance of long-term survival is not to remain lurking on planet Earth, but to spread out into space.
Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it.
What you have told us is rubbish. The world is really a flat plate supported on the back of a giant tortoise.
Even if it turns out that time travel is impossible, it is important that we understand why it is impossible.
The so-called mysteries of quantum mechanics are in its philosophical interpretation, not in its mathematics.
We look down on our scientists if they engage in outside consultation. We implicitly promote the ivory tower.
The more precise the measurement of position, the more imprecise the measurement of momentum, and vice versa.
Running and science draw on similar traits - stamina, ambition, patience, and the ability to overcome limits.
The tragedy of this world is that everyone is alone. For a life in the past cannot be shared with the present.
If co-operation, is thus the lifeblood of science and technology, it is similarly vital to society as a whole.
What we observe as material bodies and forces are nothing but shapes and variations in the structure of space.
If you want to have a program for moving out into the universe, you have to think in centuries not in decades.
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.
The paradigm of physics - with its interplay of data, theory and prediction - is the most powerful in science.
The scientist's inquiry into the causes of things is providing an ever more extensive understanding of nature.
The biggest conceptual change over the last 100 years in the way physicists think about the world is symmetry.
If one knows only what one is told, one does not know enough to be able to arrive at a well-balanced decision.
One of the nice things about math and science is it’s obvious, you get the answer or you don’t get the answer.
When you look out the other way toward the stars you realize it's an awful long way to the next watering hole.
Which is more remarkable fact about America: that millionaires are idealists or idealists become millionaires.