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Jean-Baptiste Lamarck Quotes

Habits form a second nature.

Philosophie Zoologique pt. 2, ch. 7 (1809)

What nature does in the course of long periods we do every day when we suddenly change the environment in which some species of living plant is situated.

"Philosophie Zoologique". Book by Jean-Baptiste Lamarck (1809), Vol. I, p. 226; translation by Hugh Elliot, "Zoological Philosophy: An Exposition with Regard to the Natural History of Animals", p. 109, 1914.