A theory is a good theory if it satisfies two requirements: it must ac…

Stephen Hawking
259 citations
A theory is a good theory if it satisfies two requirements: it must accurately describe a large class of observations on the basis of a model that contains only a few arbitrary elements, and it must make definite predictions about the results of future observations. ✨ A Brief History Of Time: From Big Bang To Black Holes. Book by Stephen Hawking, 1988.
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