General relativity Quote by Max Tegmark

“Although in the external reality of general relativity, you’re an extended braidlike pattern in a static four-dimensional spacetime, you nonetheless perceive yourself as localized…

— Max Tegmark

“General Theory of Relativity.”

— Lee Vickers

“There are really four dimensions, three which we call the three planes of Space, and a fourth, Time.”

— H.G. Wells

“You have to get old because of the geometry of spacetime.”

— Brian Cox

General relativity is the cornerstone of cosmology and astrophysics. It has also provided the conceptual basis for string theory and other attempts to unify…

— Paul Davies

“His head-snapping insight was that gravity could be defined as the curvature of spacetime, and thus it could be represented by a metric tensor.”

— Walter Isaacson

“String theory promises to take a further step beyond that taken by Einstein's picture of force subsumed within curved space and time geometry. Indeed,…

— John D. Barrow

“His new idea was published that month in what became yet another seminal Einstein paper, “Cosmological Considerations in the General Theory of Relativity.” On…

— Walter Isaacson

“said that in non-Euclidean geometry space has a curvature, but this way of stating the matter is misleading, since it seems to imply a…

— Hendrik Antoon Lorentz

“The spacetime continuum is the worldly reality.”

— Dejan Stojanovic

I think the universe is pure geometry - basically, a beautiful shape twisting around and dancing over space-time.

— Antony Garrett Lisi

“So, in the end, the most improbable and hence the most puzzling aspect of space is its very existence. The simple fact that we…

— Lee Smolin