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"Even before string theory, especially as physics developed in the 20th century, it turned out that the equations that really work in describing nature with the most generality and the greatest simplicity are very elegant and subtle."
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"Here in this endless and gleaming wildernessI was removed farther than ever from the world of men --And I never saw so close and so clearlyThe image in the mirror of my own soul."
"If you will stay close to nature, to its simplicity, to the small things hardly noticeable, those things can unexpectedly become great and immeasurable."
"Flowers are the beautiful hairs of the Mother Spring! Don't pluck them!"
"Men are by nature merely indifferent to one another; but women are by nature enemies."
"Sometimes, humanity surprises me with all its lack of control over the primordial urges. These innate urges are the biological traits that make us similar to the rest of the animal kingdom. But the modern qualities that make us superior to all the animals are intellect and self-control."
"Retaliation is related to nature and instinct, not to law. Law, by definition, cannot obey the same rules as nature."
"The Moon always finds an opportunity to turn our attention from the ground beneath our feet to the sky above our head!"
"Everything in Nature contains all the powers of Nature. Everything is made of one hidden stuff."
Explore more quotes by Edward Witten
"As of now, string theorists have no explanation of why there are three large dimensions as well as time, and the other dimensions are microscopic. Proposals about that have been all over the map."
"One of the basic things about a string is that it can vibrate in many different shapes or forms, which gives music its beauty."
"Spreading out the particle into a string is a step in the direction of making everything we're familiar with fuzzy. You enter a completely new world where things aren't at all what you're used to."
"There was a long history of speculation that in quantum gravity, unlike Einstein's classical theory, it might be possible for the topology of spacetime to change."
"As far as extra dimensions are concerned, very tiny extra dimensions wouldn't be perceived in everyday life, just as atoms aren't: we see many atoms together but we don't see atoms individually."
"I wouldn't have thought that a wrong theory should lead us to understand better the ordinary quantum field theories or to have new insights about the quantum states of black holes."
"You have that one basic string, but it can vibrate in many ways. But we're trying to get a lot of particles because experimental physicists have discovered a lot of particles."
"Quantum mechanics brought an unexpected fuzziness into physics because of quantum uncertainty, the Heisenberg uncertainty principle."
"Technically you need the extra dimensions. At first people didn't like them too much, but they've got a big benefit, which is that the ability of string theory to describe all the elementary particles and their forces along with gravity depends on using the extra dimensions."
"As for the forces, electromagnetism and gravity we experience in everyday life. But the weak and strong forces are beyond our ordinary experience. So in physics, lots of the basic building blocks take 20th- or perhaps 21st-century equipment to explore."
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