"Whether or not you can observe a thing depends upon the theory you use. It is the theory which decides what can be observed."

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Source: Albert Einstein (2016). “The Albert Einstein Collection: Essays in Humanism, The Theory of Relativity, and The World As I See It”, p.9, Open Road Media

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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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