For millions of years, mankind lived just like the animals. Then something happened which unleashed the power of our imagination. We learned to talk and we learned to listen. Speech has allowed the communication of ideas, enabling human beings to work together to build the impossible. Mankind’s greatest achievements have come about by talking, and its greatest failures by not talking.

Stephen Hawking (1942-2018) English physicist, author
British Telecom advertisement (1993)

Added on 3-Sep-09 | Last updated 3-Sep-09
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