The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.

Economics is not just about predicting behavior; it's about shaping it.

Poetry is the art of saying the unsayable.

The only limit to your impact is your imagination and commitment.

人类的精神比任何可能发生的事情都要强大。