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Karma is your survival and your bondage. And if you handle it right, it can also be your liberation.

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Edward Witten

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.

Black, Fields, Insights, Ordinary, States, Theories
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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.

Change, Classical, History, Long, Might, Spacetime

1
r^2 has a nasty singularity at r=0, but it did not bother Newton-the Moon is far enough.

Bother, Enough, Moon, Nasty, Newton

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.

Basic, Block, Everyday, Life, Strong, Take

There is a difference between knowing what is true and knowing why it is true

Difference, Differences, Knowing, True

I have a tendency, more than most other physicists, to try to figure out everything all at once, before I publish. And even to try to figure out everything in my head, without pencil and paper.

Figures, Paper, Pencil, Physicists, Publish, Trying
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