Alexander Alekhine Quotes
"The Soviet School of Chess". Book by Alexander Kotov, p. 42, 2001.
Alexander Alekhine (1955). “My best games of chess, 1924-1937”
Alexander Alekhine, Garry Kasparov (2011). “Alexander Alekhine's Best Games: Algebraic edition”, Pavilion Books
"Poetics". Book by Daniel James Brooks (Book 1, p. 72), 2013.
Attributed to Alexander Alekhine in David Hooper and Kenneth Whyld "The Oxford companion to chess" (p. 8), 1996.