As a rational being, he now places his behavior under the control of abstractions. He will no longer tolerate being carried away by sudden impressions, by intuitions.

We've got to put a lot of money into changing behavior.

Do not let the behavior of others destroy your inner peace.

Only when you combine sound intellect with emotional discipline do you get rational behavior.

I look only to the good qualities of men. Not being faultless myself, I won't presume to probe into the faults of others.

I no longer listen to what people say, I just watch what they do. Behavior never lies.