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

I may say that the only differences I expect to see revealed between the behavior of the rat and man (aside from enormous differences of complexity) lie in the field of verbal behavior.

If the world is to save any part of its resources for the future, it must reduce not only consumption but the number of consumers.

A piece of music is an experience to be taken by itself.

To say that a man is sinful because he sins is to give an operational definition of sin. To say that he sins because he is sinful is to trace his behavior to a supposed inner trait. But whether or not a person engages in the kind of behavior called sinful depends upon circumstances which are not mentioned in either question. The sin assigned as an inner possession (the sin a person "knows") is to be found in a history of reinforcement.

Punitive measures whether administered by police, teachers, spouses or parents have well known standard effects: (1) escape-education has its own name for that: truancy, (2) counterattack-vandalism on schools and attacks on teachers, (3) apathy-a sullen do-nothing withdrawal. The more violent the punishment, the more serious the by-products.

In the world at large we seldom vote for a principle or a given state of affairs. We vote for a man who pretends to believe in that principle or promises to achieve that state. We don't want a man, we want a condition of peace and plenty-- or, it may be, war and want-- but we must vote for a man.