Upon Further Reflection. Chapter 1: Why We Are Not Acting to Save the World. Quote 3 Post author:B. F. Skinner Foundation Post published:February 12, 2020 Post category:Skinner's Quote of the Day “The concept of purpose has been replaced by that of selection, which was first recognized by Darwin and Wallace in the natural selection of species.” (p. 2) You Might Also Like About Behaviorism, Chapter 1: The Causes of Behavior?, Quote 14 February 7, 2017 Reflections on Behaviorism and Society. Chapter 4: Humanism and Behaviorism. Quote 1 August 9, 2019 Contingencies of Reinforcement. Chapter 9: The inside story. Quote 3 September 7, 2018