Sylvester Graham (1794–1851) United States reformer
Sylvester Graham's Lectures on the Science of Human Life https://books.google.it/books?id=nRwDAAAAQAAJ, condensed by T. Baker, Manchester: John Heywood, 1881, p. 76.
PART III, SECTION I.
An Essay on the History of Civil Society (1767)
Sylvester Graham (1794–1851) United States reformer
Sylvester Graham's Lectures on the Science of Human Life https://books.google.it/books?id=nRwDAAAAQAAJ, condensed by T. Baker, Manchester: John Heywood, 1881, p. 76.
Harry Emerson Fosdick (1878–1969) American pastor
On Being a Real Person (1943)
Context: Every human life involves an unfathomable mystery, for man is the riddle of the universe, and the riddle of man is his endowment with personal capacities. The stars are not so strange as the mind that studies them, analyzes their light, and measures their distances.
Kenneth E. Boulding (1910–1993) British-American economist
Source: 1950s, The Image: Knowledge in Life and Society, 1956, p. 26 quoted in: Research in Ethical Issues in Organizations - Volume 1 (1999). p. 159
Ernest Gellner (1925–1995) Czech anthropologist, philosopher and sociologist
Thought and Change (1964)
Denis Diderot (1713–1784) French Enlightenment philosopher and encyclopædist
"On Women" (1772), as translated in Selected Writings (1966) edited by Lester G. Crocker
Thomas Robert Malthus (1766–1834) British political economist
Essay on the Principle of Population (1798; rev. through 1826)
James Burnett, Lord Monboddo (1714–1799) Scottish judge, scholar of language evolution and philosopher
Of the Origin and Progress of Language (Edinburgh and London: J. Balfour and T. Cadell, 2nd ed., 1774), Vol. I, Book II, Ch. II, pp. 224-225 https://archive.org/stream/originandprogre01conggoog#page/n251/mode/2up.
John Rupert Firth (1890–1960) English linguist
1964, p. 141; Chapter 1; Chapter 1: The Origin of Speech
Speech, 1930