ᐅ Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it. – Stephen Hawking | QuotesTrue.com

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Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it.

Stephen Hawking

"A Brief History Of Time: From Big Bang To Black Holes". Book by Stephen Hawking, 1988.

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