写作是让过去成为现在的一种方式。
The future belongs to those who can make leather without leaving scars—on the earth or its people.
To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.
科学是一种探索未知的冒险,每一次发现都是对自然的一次新的理解。
金融模型的真正考验不在于它有多复杂,而在于它是否能很好地捕捉经济问题的本质特征。