Did Carl Sagan actually say " extraordinary claims require extraordinary proofs"?

0 ⤊

When and where would be helpful.

2006-11-18 04:23:52 · 2 answers · asked by miknave 4 in Education & Reference ➔ Quotations

The phrase is actually

"Extraordinary claims require extraordinary EVIDENCE".

It can be found on page 339 of his book, "Cosmos", written in 1980.

2006-11-18 04:54:55 · answer #1 · answered by Polly 4 · 0⤊ 0⤋

Yes, in his book Cosmos (1980).

2006-11-18 20:53:55 · answer #2 · answered by Martha P 7 · 0⤊ 0⤋