So we have to make guesses in order to give any utility at all to science. In order to avoid simply describing experiments that have been done, we have to propose laws beyond their observed range. There is nothing wrong with that, despite the fact that it makes science uncertain. If you thought before that science was certain — well, that is just an error on your part.

Richard Feynman (1918-1988) American physicist
The Character of Physical Law, ch. 3 “The Great Conservation Principles” (1965)
Added on 10-Jan-20 | Last updated 10-Jan-20
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