Quotes of All Topics . Occasions . Authors
Impressed force is the action exerted on a body to change its state either of resting or of moving uniformly straight forward.
From the intrinsic evidence of his creation, the Great Architect of the Universe now begins to appear as a pure mathematician.
I can't imagine not being in a phase where I'm trying to understand something or create something. That's the essence of life.
Simplicity and beauty are the signs not of truth but of a well-constructed approximate model of a limited domain of phenomena.
The older one gets, the more one feels that the present must be enjoyed; it is a precious gift, comparable to a state of grace
And anyone who thinks they can talk about quantum theory without feeling dizzy hasn't yet understood the first thing about it.
The Goldilocks Enigma is the idea that everything in the universe is just right for life, like the porridge in the fairy tale.
The measure of greatness in a scientific idea is the extent to which it stimulates thought and opens up new lines of research.
The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment.
To decide upon the answer is not scientific. In order to make progress, one must leave the door to the unknown ajar ajar only.
Heat can never pass from a colder to a warmer body without some other change, connected therewith, occurring at the same time.
The food isn't too bad. It's very different from the food that the astronauts ate in the very early days of the space program.
Even though NASA tries to simulate launch, and we practice in simulators, it's not the same - it's not even close to the same.
I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.
We are all different. There is no such thing as a standard or run-of-the-mill human being, but we share the same human spirit.
It is impossible to imagine a four-dimensional space. I personally find it hard enough to visualize a three-dimensional space!
My first popular book, 'A Brief History of Time,' aroused a great deal of interest, but many found it difficult to understand.
In his 1930 book, Dirac took for granted that measurements could be made, but was very vague about what was actually involved.
The universe and the observer exist as a pair. I cannot imagine a consistent theory of the universe that ignores consciousness.
Math does come easily to me, but I was always much more interested in what theorems imply about the world than in proving them.
Had we not pursued the hydrogen bomb, there is a very real threat that we would now all be speaking Russian. I have no regrets.
Do not imagine that you have to know everything before you can do anything. My own best work was done when I was most ignorant.
If the tools are bad, nature's voice is muffled. If the tools are good, nature will give us a clear answer to a clear question.
They who depend upon manifest observations will philosophize better than those who persist in opinions repugnant to the senses.
Theoretical and experimental physicists are now studying nothing at all-the vacuum. But that nothingness contains all of being.
Stars are like animals in the wild. We may see the very young but never their actual birth, which is a veiled and secret event.
The instinct of brutes and insects can be the effect of nothing else than the wisdom and skill of a powerful ever-living agent.
If I have learned anything as a scientist, it is that one should not make things complicated when a simple explanation will do.
Forgiveness is better than revenge, for forgiveness is the sign of a gentle nature, but revenge is the sign of a savage nature.
If you want to succeed in the world, you don't have to be much cleverer than other people. You just have to be one day earlier.
I don't like to say bad things about paleontologists, but they're not very good scientists. They're more like stamp collectors.
But although life is not energy, any more than it is matter, yet it directs energy and thereby controls arrangements of matter.
As you know, a theory in physics is not useful unless it is able to predict underlined effects which we would otherwise expect.
Each step, each strain of the eye Opens out a new horizon; And every day throws in our way Something new, to grow more wise on.
We could call order by the name of God, but it would be an impersonal God. There's not much personal about the laws of physics.
I think the discovery of supersymmetric partners for the known particles would revolutionize our understanding of the universe.
If I had a time machine, I'd visit Marilyn Monroe in her prime or drop in on Galileo as he turned his telescope to the heavens.
From time immemorial, man has desired to comprehend the complexity of nature in terms of as few elementary concepts as possible.
For my students who are trying to learn the craft of writing in a writing class - contemporary literature is what's most useful.
I think it is always a long shot getting a book made into a film. Making that book into a film is going to be quite a challenge.
I think I must be the only British actor who's played both Stalin and Trotsky. I need to play Lenin so I can make it a triptych.
It was not possible to formulate the laws of quantum mechanics in a fully consistent way without reference to the consciousness.
There are two things that people [are surrounded by and] avoid trying to understand. One is music, and the other is electricity.
It is one thing to impose drastic measures and harsh economic penalties when an environmental problem is clear-cut and severe...
That's the beautiful thing about science - that it's all about things we don't understand, not just the things we do understand.
Cities are just a physical manifestation of your interactions, our interactions, and the clustering and grouping of individuals.
My passion is to understand the non-linear dynamics of warped space-time, and the ideal venue for this is black-hole collisions.
Probably if you look like Tyra Banks, it probably is hard, even if you are really smart, for people to take - it surprises some.
You see, I get such fun out of thinking that I don't want to destroy this most pleasant machine that makes life such a big kick.
If you didn’t have any conscious beings in the world, there really wouldn’t be morality but with consciousness that you have it.