J. R. R. Tolkien Quotes about Hatred

Valedictory Address to the University of Oxford, reprinted in "The Monsters and the Critics" by Christopher Tolkien (2006), p. 238, June 5, 1959.
J.R.R. Tolkien (2012). “The Two Towers: Being the Second Part of The Lord of the Rings”, p.571, Houghton Mifflin Harcourt
J. R. R. Tolkien (1980). “The Lord of the Rings: The return of the King”
Valedictory address to the University of Oxford, 1959.