"Considered as a mere question of physics, (and keeping all moral considerations entirely out of sight,) the appearance of man is a geological phenomenon of vast importance, indirectly modifying the whole surface of the earth, breaking in upon any supposition of zoological continuity, and utterly unaccounted for by what we have any right to call the laws of nature."

Source : Adam Sedgwick (1850). “A Discourse on the Studies of the University of Cambridge”, p.45

Adam Sedgwick

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