环境通过强化机制塑造行为。
The environment shapes behavior through the mechanism of reinforcement.
A creative man is motivated by the desire to achieve, not by the desire to beat others.
经济学家最重要的技能是清晰地思考权衡取舍。
Never stop asking, “How can we do this better?”
想象力比知识更重要。知识是有限的。想象力环绕着世界。