“"It is therefore obvious that…"”

— Pierre-Simon Laplace

Frequently used in the Traité de mécanique céleste when he had proved something and mislaid the proof, or found it clumsy. Notorious as a signal for something true, but hard to prove.

Original

Il est facile de voir que…

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Pierre-Simon Laplace 15

French mathematician and astronomer 1749–1827

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