The key to understanding the Black-Scholes model is recognizing that it is based on the idea of a risk-neutral world, where investors are indifferent to risk.
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。
In the world of mathematics, every question leads to another, creating an endless web of knowledge that connects all areas of science.
There is no necessary connection between law and morality.
衰败的恶果，都是强盛时不知修持而积累来的。人老后的疾病，都因年轻时不知养生而落下的。
每一个项目都是一次新的冒险，一个新的挑战。
Investing in cleaner coal technologies is investing in our planet's future.
Science is a force for good, but only if we use it wisely.