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Gravity is not an option in string theory. It is a logical consequence of it!
— Nathan Seiberg
Gravity is not an option in string theory. It is a logical consequence of it!
Supersymmetry arises naturally in string theory. (It was originally motivated by string theory.)
Ultimately, we hope to find a fundamental theory that explains everything with no input parameters.
Whenever you work on something and try to solve one problem, and you end up helping or solving many other problems, it is a sign that what you are doing is good.
