“Education is what survives when what has been learned has been forgotten.”

“A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.”

“The real problem is not whether machines think but whether men do.”

“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.”

Reinforcer “does not need to be contrived for instructional purposes; it is unrelated to any particular kind of behavior and hence always available.  We call it success.”