Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.
The past is never dead. It's not even past.
The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.
布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为几个可观察的变量。
我的科学劳动给我带来了极大的满足，我深信用不了多久，全世界都会承认我的工作成果。