Richard P. Feynman

The philosophical question before us is, when we make an observation of our track in the past, does the result of our observation become real in the same sense that the final state would be defined if an outside observer were to make the observation?
The philosophical question before us is, when we make an observation of our track in the past, does the result of our observation become real in the same sense that the final state would be defined if an outside observer were to make the observation?
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These are some quotes by American author Richard P. Feynman Physicist, who lived between May 11, 1918 and February 15, 1988.