New York NY: Simon & Schuster, 1981, p. 88.
Life Itself: Its Origin and Nature (1981)
“So long as physiologists continued to believe that man had not existed on the earth above six thousand years, they might, with good reason, withhold their assent from the doctrine of a unity of origin of so many distinct races; but the difficulty becomes less and less, exactly in proportion as we enlarge our ideas of the lapse of time during which different communities may have spread slowly, and become isolated, each exposed for ages to a peculiar set of conditions, whether of temperature, or food, or danger, or ways of living.”
Source: The Geological Evidences of the Antiquity of Man (1863), Ch.20, p. 386
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Charles Lyell 103
British lawyer and geologist 1797–1875Related quotes
(original Dutch: citaat van Willem Roelofs, in het Nederlands:) [een aquarel] is niettegenstaanden alle moeite, en misschien wel omdàt zij moeite heeft gekost, minder frisch en wat zwaar geworden – Ik heb zelf lang in beraad gestaan of zij goed genoeg was om te zenden [naar Utrecht]
In a letter to P. verLoren van Themaat, 23 Nov. 1866; in Haagsch Gemeentearchief / Municipal Archive of The Hague
1860's
Vol. I, Part III: The Evolution of Life, Ch. 3 : General Aspects of the Evolution Hypothesis; compare: "As nine months go to the shaping an infant ripe for his birth, / So many a million of ages have gone to the making of man", Alfred Lord Tennyson, Maud (1855)
Principles of Biology (1864)
Spencer here references William Benjamin Carpenter, Principles of Comparative Physiology http://books.google.com/books?id=ovgEAAAAYAAJ& see p. 473
The Development Hypothesis (1852)
1860s, Our Composite Nationality (1869)
Acceptance speech of the National Book Award for Nonfiction (1952); also in Lost Woods: The Discovered Writing of Rachel Carson (1999) edited by Linda Lear, p. 91
Youtube, Other, The Damn Commandments https://www.youtube.com/watch?v=8u3z69YpLx0 (January 7, 2015)
Reflections on Various Subjects (1665–1678), VII. On Air and Manner