
Source: As quoted in his memoirs in 1969, ""Без боя не уйду". Как летчик-ас Кожедуб сбивал вражеские самолеты" https://tass.ru/armiya-i-opk/8658487
Forword to The Gentle Tasady : A Stone Age People in the Philippine Rain Forest (1975) by John Nance, a book on the Tasaday of Mindanao (7 April 1974)
Source: As quoted in his memoirs in 1969, ""Без боя не уйду". Как летчик-ас Кожедуб сбивал вражеские самолеты" https://tass.ru/armiya-i-opk/8658487
Source: Quest for Truth (1999), pp.32-33.
Source: Put on Your Crown: Life-Changing Moments on the Path to Queendom
Source: Chapter 1: The Misanthropic Argument for Anti-natalism https://books.google.com/books?id=J6dBCgAAQBAJ&lpg=PA44&pg=PA55#v=onepage&q&f=false, 2015, p. 55
Source: Permissible Progeny? The Morality of Procreation and Parenting (2015)
Address at the International Women's Day Conference (2013)
“Life has to take charge of its environment and evolve with it.”
"The Man Who Named the World" (1990)
“A life is like a garden. Perfect moments can be had, but not preserved, except in memory. LLAP”
Leonard Nimoy's last tweet https://twitter.com/therealnimoy/status/569762773204217857 (February 23, 2015), quoted in Miriam Kramer, " Star Trek's Leonard Nimoy Dies at 83 http://www.scientificamerican.com/article/star-trek-s-leonard-nimoy-dies-at-83/", Scientific American (February 27, 2015).