Science is a willingness to accept facts even when they are opposed to wishes.

But restraint is the 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 strengthening of behavior which results from reinforcement is appropriately called 'conditioning'. In operant conditioning we 'strengthen' an operant in the sense of making a response more probable or, in actual fact, more frequent.

Was putting a man on the moon actually easier than improving education in our public schools?

Twenty-five hundred years ago it might have been said that man understood himself as well as any other part of the world. Today he is the thing he understands least.

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.

The severest trial of oppression is the constant outrage which one suffers at the thought of the oppressor. What Jesus discovered was how to avoid the inner devastations. His technique was to practice the opposite emotion... a man may not get his freedom or possessions back, but he's less miserable. It's a difficult lesson.