General relativity Quote by Lee Smolin

“If infinities are signs of missing unification, a unified theory will have none. It will be what we call a finite theory, a theory…

— Lee Smolin

“The mind calls out for a third theory to unify all of physics, and for a simple reason. Nature is in an obvious sense…

— Lee Smolin

“Problem 1: Combine general relativity and quantum theory into a single theory that can claim to be the complete theory of nature. This is…

— Lee Smolin

“However we select from nature a complex (of phenomena) using the criterion of simplicity, in no case will its theoretical treatment turn out to…

— Albert Einstein

I am so in favor of the actual infinite that instead of admitting that Nature abhors it, as is commonly said, I hold that…

— Georg Cantor

A successful unification of quantum theory and relativity would necessarily be a theory of the universe as a whole. It would tell us, as…

— Lee Smolin

The very nature of the quantum theory ... forces us to regard the space-time coordination and the claim of causality, the union of which…

— Niels Bohr

“The unsolved problems of the physical world now seem even more formidable than those solved in the twentieth century. Though in application it works…

— Gerald Holton

We have never observed infinity in nature. Whenever you have infinities in a theory, that's where the theory fails as a description of nature.…

— Janna Levin

The revolution which began with the creation of quantum theory and relativity theory can only be finished with their unification into a single theory…

— Lee Smolin

We're going to need a definitive quantum theory of gravity, which is part of a grand unified theory - it's the main missing piece.

— Kip Thorne

While the finish given to our picture of the world by the theory of relativity has already been absorbed into the general scientific consciousness,…

— Niels Bohr