Quotes of All Topics . Occasions . Authors
To a physicist, we have the 'I' word, the I-word is 'impossible.' That's dangerous.
Every sentence I utter must be understood not as an affirmation, but as a question.
If you thought that science was certain - well, that is just an error on your part.
See that the imagination of nature is far, far greater than the imagination of man.
I find myself looking around for other new, interesting opportunities to dive into.
One thing I probably share with everyone else in the astronaut office is composure.
Scientific discovery may not be better than sex, but the satisfaction lasts longer.
If you are lucky enough to find love, remember it is there and don't throw it away.
To confine our attention to terrestrial matters would be to limit the human spirit.
God may exist, but science can explain the universe without the need for a creator.
I can't disguise myself with a wig and dark glasses - the wheelchair gives me away.
The cyclic universe theory predicts no gravitational waves from the early universe.
I have done a terrible thing, I have postulated a particle that cannot be detected.
Quantum field theory arose out of our need to describe the ephemeral nature of life.
Maybe knowledge is as fundamental, or even more fundamental than [material] reality.
It is not impossible to suppose that in this case our luminary was taken in the act.
String theory is 21 st century physics that fell accidentally into the 20th century.
The real hallmark of learning is transferring what you’ve learned into new contexts.
The essential feature of statistics is a prudent and systematic ignoring of details.
Scripture is a book about going to Heaven. It's not a book about how the heavens go.
Everything around us is scale dependent. It's woven into the fabric of the universe.
...from the same principles, I now demonstrate the frame of the System of the World.
'Incontrovertible' is not a scientific word. Nothing is incontrovertible in science.
If you haven't found something strange during the day, it hasn't been much of a day.
One possibility is: God is nothing but the power of the universe to organize itself.
In my view all salvation for philosophy may be expected to come from Darwin's theory
Every advance in knowledge brings us face to face with the mystery of our own being.
Nothing is permanent about our behavior patterns except our belief that they are so.
Controlling carbon is a bureaucrat's dream. If you control carbon, you control life.
The influence of mankind on climate is trivially true and numerically insignificant.
The highest forms of understanding we can achieve are laughter and human compassion.
No man is rich who is unsatisfied, but who wants nothing possess his heart's desire.
But there is nothing in biology yet found that indicates the inevitability of death.
It is now becoming clear that everything can - and probably did - come from nothing.
A bride who is bullied by her mother-in-law will herself become a bad mother-in-law.
I want to know why the universe exists, why there is something greater than nothing.
I think we have a good chance of surviving long enough to colonize the solar system.
I have visited Japan several times and have always been shown wonderful hospitality.
The more closely you look at one thing, the less closely can you see something else.
Great discoveries are made accidentally less often than the populace likes to think.
Our best theory of describing space at a fundamental level is probably string theory.
Climate change: Don't undermine the science just because you don't like the economics
Innovation and renewal are required to keep a laboratory on the frontiers of science.
An alleged scientific discovery has no merit unless it can be explained to a barmaid.
The thing that makes me most optimistic is China and India - both of them doing well.
I think it's a big mistake to decide too soon what you're going to do with your life.
Nothing can be taught to a man, only it's possibly to help him to discover it inside.
We cannot teach people anything; we can only help them discover it within themselves.
To explain all nature is too difficult a task for any one man or even for any one age
If you decide you don't have to get A's, you can learn an enormous amount in college.