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 Verbal Behavior: Extended Edition. Chapter 12: The Autoclitic. Quote 35 September 17, 2025 Verbal Behavior: Extended Edition. Chapter 12: The Autoclitic. Quote 34 September 16, 2025 Recent Issues. Chapter 12: The Behavior of Organisms at Fifty. Quote 18 April 24, 2019