In a nutshell, the universe is 4% visible, 23% undetectable and 73% unimaginable. Welcome to the cosmos, full of mass you can measure but not manhandle, driven by a force you can infer but not explain.

Tim Radford

Mots clés science

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Words are instruments, they are tools that, in their different ways, are as effective as any sharp edge or violate chemical. They are, like coins, items of great value, but they represent a currency that, well spent, returns ever greater riches.

Tim Radford

Mots clés inspirational words power-of-words literature english

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