Cumulative Record: Definitive Edition (1999). Chapter 7: Are Theories of Learning Necessary. Quote 3 Post author:B. F. Skinner Foundation Post published:May 17, 2021 Post category:Skinner's Quote of the Day No empirical statement is wholly nontheoretical . . . because evidence is never complete, nor is any prediction probably ever made wholly without evidence. (p. 69) You Might Also Like Upon Further Reflection. Chapter 5: The Evolution of Behavior. Quote 11 May 27, 2020 Beyond Freedom and Dignity. Chapter 2: Freedom. Quote 2 July 20, 2021 Cumulative Record. Chapter 8: The Analysis of Behavior. Quote 10 April 13, 2022