"However we select from nature a complex [of phenomena] using the criterion of simplicity, in no case will its theoretical treatment turn out to be forever appropriate (sufficient).... I do not doubt that the day will come when [general relativity], too, will have to yield to another one, for reasons which at present we do not yet surmise. I believe that this process of deepening theory has no limits."

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Source: Obituary for physicist and philosopher Ernst Mach, p. 101, 1916.

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Albert Einstein

Physicist

Albert Einstein was a theoretical physicist known for developing the theory of relativity, which transformed our understanding of space, time, and energy.

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