
Source: Mind, Self, and Society. 1934, p. 1
"The Origins and Effects of Our Morals: A Problem for Science", in The Essence of Hayek (1984)
1980s and later
Source: Mind, Self, and Society. 1934, p. 1
p. 485 http://books.google.com/books?id=ePNi4ZqYdVQC&q=%22humans+are+interchangeable%22
The Blank Slate (2002)
Source: The Blank Slate: The Modern Denial of Human Nature
Context: [E]quality is not the empirical claim that all groups of humans are interchangeable; it is the moral principle that individuals should not be judged or constrained by the average properties of their group. … If we recognize this principle, no one has to spin myths about the indistinguishability of the sexes to justify equality.
The historical extempore speech at the Reserve Officers' College (1959)
"The Origins and Effects of Our Morals: A Problem for Science", in The Essence of Hayek (1984)
1980s and later
Source: Here Comes Everybody: The Power of Organizing Without Organizations (2008), p. 14
Source: The Number-System of Algebra, (1890), p. 3; Reported in Robert Edouard Moritz. Memorabilia mathematica; or, The philomath's quotation-book https://archive.org/stream/memorabiliamathe00moriiala#page/81/mode/2up, (1914), p. 263