"The power of words is immense; they can heal, they can destroy, they can create worlds."

Short-term gains at the expense of the environment will always lead to long-term losses.

The behaviorist asks: Why don't we make what we can observe the real field of psychology?

Economic development must be coordinated with environmental protection.

理解布莱克-斯科尔斯模型的关键在于认识到它是基于风险中性世界的概念，在这个世界中投资者对风险漠不关心。