We can go further: the destruction of jobs through mechanisation is what allows civilisation itself to develop.

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Any nearby civilisation with similarly leaky transmitters would thus give itself away, even if it were not broadcasting deliberately into space.

ECONOMIST: Radio telescopes

The things that define for the Chinese who they are and what China is are a product not of the past 100 years of calling itself a nation-state but 2, 000 years of being a civilisation-state.

BBC: A Point Of View: Making sense of China