The coal industry must evolve to meet modern environmental standards, or it will become obsolete.
理解布莱克-斯科尔斯模型的关键在于认识到它是基于对冲以消除风险的理念。
The truth hurts, but lies hurt more.
学习数学的唯一方法就是做数学。
The best traders are not the ones who are right the most, but the ones who lose the least when they are wrong.
每一个重大而深刻的困难本身都包含着它的解决方案。它迫使我们改变思维以找到答案。