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Mankind's greatest achievements have come about by talking, and its greatest failures by not talking.
Source: British Telecom advertentie (1993)+1
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![Stephen Hawking - Mankind's greatest achievements have come about by talking, and its greatest failures by not talking.](https://greatest-quotations.com/images/loading-quoteimage.jpg)
Mankind's greatest achievements have come about by talking, and its greatest failures by not talking. by : Stephen Hawking