
How Many People Can Live on Planet Earth? (BBC Horizon, 2009)
Letter to Abigail Adams http://scholarship.kentlaw.iit.edu/cgi/viewcontent.cgi?article=2785&context=cklawreview (19 October 1775). Reprinted in I ADAMS FAMILY CORRESPONDENCE 318 (L. Butterfield ed. 1963).
1770s
How Many People Can Live on Planet Earth? (BBC Horizon, 2009)
Original: (it) Qualsiasi emozione influisce sui nostri pensieri, le nostre credenze e le nostre azioni. Le forti emozioni positive esercitano un grande potere sul corpo umano e sul mondo intero.
Source: prevale.net
"Some Newer Instincts", pp. 182–183
Savage Survivals (1916), Savage Survivals in Higher Peoples (Continued)
The Educated Imagination (1963), Talk 6: The Vocation of Eloquence
Source: The Ape that Thought It Was a Peacock: Does Evolutionary Psychology Exaggerate Human Sex Differences? (2013), p. 144
Source: Emotional amoral egoism (2008), p.15