
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.
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.
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.
Source: A Memorial Containing Travels Through Life or Sundry Incidents in the Life of Dr Benjamin Rush
F 49
Aphorisms (1765-1799), Notebook F (1776-1779)
Letter to Colonel Edward Carrington (16 January 1787)
1780s
Variant: Experience declares that man is the only animal which devours his own kind; for I can apply no milder term to the governments of Europe, and to the general prey of the rich on the poor.
Source: Letters of Thomas Jefferson
“Animals that kill usually have far more social relationships than those they prey upon.”
"Letter on Animal Liberation" (1999)
“When a man is prey to his emotions, he is not his own master.”
Thought and Change (1964)