
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'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.
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.
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
Thought and Change (1964)
"On Women" (1772), as translated in Selected Writings (1966) edited by Lester G. Crocker
Essay on the Principle of Population (1798; rev. through 1826)
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.
1964, p. 141; Chapter 1; Chapter 1: The Origin of Speech
Speech, 1930