…whatever your career may be, do not let yourselves become tainted by a deprecating and barren scepticism, do not let yourselves be discouraged by the sadness of certain hours which pass over nations.

Louis Pasteur The Life of Pasteur, 1902

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Louis Pasteur 1822–1895 · French chemist and microbiologist; pioneer of germ theory, pasteurization and vaccination against rabies. Wikipedia

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