Upon Further Reflection. Chapter 10:Intellectual Self-Management in Old Age. Quote 6 Post author:B. F. Skinner Foundation Post published:November 10, 2020 Post category:Skinner's Quote of the Day When I find myself saying “damn,” I know it is time to relax. (p. 151) You Might Also Like Science and Human Behavior, Chapter 18: The Self, Quote 2 November 17, 2016 Beyond Freedom and Dignity. Chapter 1: A Technology of Behavior. Quote 1 June 1, 2021 Upon Further Reflection. Chapter 8: The Shame of American Education. Quote 12 September 3, 2020