The extent to which human aggression exemplifies innate tendencies is not clear.

It is a mistake to suppose that the whole issue is how to free man. The issue is to improve the way in which he is controlled.

The simplest and most satisfactory view is that thought is simply behavior - verbal or nonverbal, covert or overt. It is not some mysterious process responsible for behavior but the very behavior itself in all the complexity of its controlling relations.

The way positive reinforcement is carried out is more important than the amount.

Old age is rather like another country. You will enjoy it more if you have prepared yourself before you go.

It has always been the task of formal education to set up behavior which would prove useful or enjoyable later in a student's life.

A disappointment is not generally an oversight. It might just be the best one can do the situation being what it is. The genuine error is to quit attempting.