Cumulative Record. Chapter 15: Reflections on a Decade of Teaching Machines. Quote 1 Post author:B. F. Skinner Foundation Post published:December 19, 2022 Post category:Skinner's Quote of the Day Those who have had anything useful to say [about teaching machines] have said it far too often, and those who have had nothing to say have been no more reticent. (p. 240) You Might Also Like Cumulative Record: Definitive Edition (1999). Chapter 5: “Man”. Quote 7 April 12, 2021 Science and Human Behavior, Chapter 3: Why Organisms Behave, Quote 13 February 11, 2016 Contingencies of Reinforcement. Chapter 9: The inside story. Quote 6 September 12, 2018