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Foundation Post published:February 12, 2020 Post category:Skinner's Quote of the Day “The concept of purpose has been replaced by that of selection, which was first recognized by Darwin and Wallace in the natural selection of species.”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 Cumulative Record. Chapter 10: The Experimental Analysis of Behavior. Quote 22 July 1, 2022 Upon Further Reflection. Chapter 4: Selection by Consequences Quote 4 April 22, 2020 About Behaviorism, Chapter 11: The Self and Others, Quote 1 July 10, 2017