quote · Legacy record
So my antagonist said, "Is it impossible that there are flying saucers? Can you prove that it's impossible?" "No", I said, "I can't prove it's impossible. It's just very unlikely". At that he said, "You are very unscientific. If you can't prove it impossible then how can you say that it's unlikely?" But that is the way that is scientific. It is scientific only to say what is more likely and what less likely, and not to be proving all the time the possible and impossible.
So my antagonist said, "Is it impossible that there are flying saucers? Can you prove that it's impossible?" "No", I said, "I can't prove it's impossible. It's just very unlikely". At that he said, "You are very unscientific. If you can't prove it impossible then how can you say that it's unlikely?" But that is the way that is scientific. It is scientific only to say what is more likely and what less likely, and not to be proving all the time the possible and impossible.
Approximate author period: c. 1953 AD · modern
Meaning not yet available
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- Author or tradition
- Richard Feynman
Attribution: attributed - Country attributed
- Not established
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- Approximate author period: c. 1953 AD · modern
Approximate author-period anchor from life dates 1918 to 1988; Wikidata Q39246, https://www.wikidata.org/wiki/Q39246 (accessed 2026-10-08). Not a quotation composition date.
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Supplied reference C; CSV row 61333; supplied attribution, independently unverified
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