A person who has been punished is not thereby simply less inclined to behave in a given way; at best, he learns how to avoid punishment.
B. F. SkinnerAn important fact about verbal behavior is that speaker and listener may reside within the same skin.
B. F. SkinnerThe human species took a crucial step forward when its vocal musculature came under operant control in the production of speech sounds. Indeed, it is possible that all the distinctive achievements of the species can be traced to that one genetic change.
B. F. Skinner