The consequences of an act affect the probability of its occurring again.

If freedom is a requisite for human happiness, then all that’s necessary is to provide the illusion of freedom.

Somehow people get the idea I think we should be given gumdrops whenever we do anything of value.

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

Problem-solving typically involves the construction of discriminative stimuli

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.