To the man who only has a hammer in the toolkit every problem looks like a nail.

Dispassionate objectivity is itself a passion, for the real and for the truth.

Good psychology should include all the methodological techniques, without having loyalty to one method, one idea, or one person.

Education can become a self-fulfilling activity, liberating in and of itself.

I'm someone who likes plowing new ground, then walking away from it. I get bored easily. For me, the big thrill comes with the discovering.

What is necessary to change a person is to change his awareness of himself.