Einstein, Albert -- “Einstein at 70,” interview by Alfred Werner, Liberal Judaism (April-May 1949)

Dave — Tue, 20 May 2014 12:54:47 +0000

I do not know how the Third World War will be fought, but I can tell you what they will use in the Fourth — rocks!

Albert Einstein (1879-1955) German-American physicist
“Einstein at 70,” interview by Alfred Werner, Liberal Judaism (April-May 1949)

For more information on this citation, and on earlier variants of this quote, see The Futuristic Weapons of WW3 Are Unknown, But WW4 Will Be Fought With Stones and Spears – Quote Investigator®.

WIST Quotations