Upon Further Reflection. Chapter 10:Intellectual Self-Management in Old Age. Quote 5 Post author:B. F. Skinner Foundation Post published:November 9, 2020 Post category:Skinner's Quote of the Day Old age is like fatigue, except that its effects cannot be corrected by relaxing or taking a vacation. (p. 150) You Might Also Like Science and Human Behavior, Chapter 5: Operant Behavior, Quote 21 March 18, 2016 Recent Issues. Chapter 2: The Origins of Cognitive Thought. Quote 19 November 29, 2018 About Behaviorism, Chapter 14: Summing Up, Quote 20 October 19, 2017