
Source: What I Believe
1960s, Review of Teilhard de Chardin's "The Phenomenon of Man", 1961
Source: What I Believe
Did not appear in Saturday Evening Post story, but quoted in Einstein: His Life and Universe http://books.google.com/books?id=dJMpQagbz_gC&lpg=PP1&pg=PA387#v=onepage&q&f=false by Walter Isaacson, p. 387, in the section discussing Viereck's interview.
1920s, Viereck interview (1929)
1910s, The New Nationalism (1910)
R.H. Hutton, "Professor Boole," in: The British Quarterly Review http://books.google.com/books?id=pfMEAAAAQAAJ&pg=PA165. (1866), p. 141
1840s, Heroes and Hero-Worship (1840), The Hero as Divinity
“The man who does not value himself, cannot value anything or anyone.”
Source: The Virtue of Selfishness: A New Concept of Egoism
Quoted from F. Capra, The Tao of Physics.
Source: Quest for Truth (1999), p. 145.
Consciencism (1964), Introduction