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"But the beauty of Einstein's equations, for example, is just as real to anyone who's experienced it as the beauty of music. We've learned in the 20th century that the equations that work have inner harmony."
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"We especially need imagination in science. It is not all mathematics, nor all logic, but it is somewhat beauty and poetry."

"She was like a landscape you see from the train, and you want to stop just there."

"It's her black wings that make her beautiful."

"How beautiful it is to be stress free and bloom slowly like a flower."

"I guess if you take yourself seriously as an artist there starts either the problem or the beauty of doing good artwork."

"How beautiful it is to hug someone with kindness when he is trying to hurt you!"

"Should you shield the canyons from the windstorms you would never see the true beauty of their carvings."

"Flat muscled and honey coloured. Sea secrets in his eyes. A silver raindrop in his ear."
Explore more quotes by Edward Witten

"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."

"The theory has to be interpreted that extra dimensions beyond the ordinary four dimensions the three spatial dimensions plus time are sufficiently small that they haven't been observed yet."

"If I take the theory as we have it now, literally, I would conclude that extra dimensions really exist. They're part of nature. We don't really know how big they are yet, but we hope to explore that in various ways."

"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."

"In Einstein's general relativity the structure of space can change but not its topology. Topology is the property of something that doesn't change when you bend it or stretch it as long as you don't break anything."

"Having those extra dimensions and therefore many ways the string can vibrate in many different directions turns out to be the key to being able to describe all the particles that we see."

"String theory is an attempt at a deeper description of nature by thinking of an elementary particle not as a little point but as a little loop of vibrating string."

"One of the basic things about a string is that it can vibrate in many different shapes or forms, which gives music its beauty."

"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."

"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."
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