Restraint is only one sort of control, and absence of restraint isn't freedom. It's not control that's lacking when one feels 'free,' but the objectionable control of force.

The question is: Can men live in freedom and peace And the answer is: Yes, if we can build a social structure which will satisfy the needs of everyone and in which everyone will want to observe the supporting code.

One unfortunate consequence is the belief that speech has an independent existence apart from the behavior of the speaker.

A 'cause' becomes a 'change in an independent variable' and an 'effect' a 'change in a dependent variable'.

I don't deny the importance of genetics. However, the fact that I might be altruistic isn't because I have a gene for altruism; the fact that I do something for my children at some cost to myself comes from a history that has operated on me.

The speaker and listener within the same skin engage in activities which are traditionally described as 'thinking'.

Etymology is the archaeology of thought.

Verbal behavior is reinforced only through the mediation of another person, but it is not require the participation of such a person for its execution.

The attention of people is reinforcing because it is a necessary condition for other reinforcements from them.

Inherited patterns of behavior must have been selected by their contributions to survival in ways which are not unlike those in which the behavior of the individual is selected or shaped by its reinforcing consequences.

Praise and approval are generally reinforcing because anyone who praises a person or approves what he has done is inclined to reinforce him in other ways.