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date: 25 May 2024

Jean Rostand 1894–1977
French biologist 

  1. The biologist passes, the frog remains.
    sometimes quoted as ‘Theories pass. The frog remains’
    Inquiétudes d'un biologiste (1967)
  2. To be adult is to be alone.
    Pensées d'un biologiste (1954)
  3. Kill a man, and you are an assassin. Kill millions of men, and you are a conqueror. Kill everyone, and you are a god.
    Pensées d'un biologiste (1939) p. 116; see Porteus, Young