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Mankind's greatest achievements have come about by talking and its greatest failures by not talking. It doesn’t have to be like this.

Stephen Hawking
Talking, Achievement, Mankind
"'Remember to look up at the stars': the best Stephen Hawking quotes" by Michael McGowan, www.theguardian.com. March 14, 2018.
Mankind's greatest achievements have come about by talking and its greatest failures by not talking. It doesn’t have to be like this.