Do not intervene between a person and the consequences of their own behavior.

Many social practices essential to the welfare of the species involve the control of one person by another, and no one can suppress them who has any concern for human achievements

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.

Teachers must learn how to teach ... they need only to be taught more effective ways of teaching.

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

Chaos breeds geniuses. It offers a man something to be a genius about.

Let men be happy, informed, skillful, well behaved, and productive.