引用《偶遇》
The only thing that can stop you is you.
社会系统的统一性在于其各部分之间的相互依存。
The greatest problem for mathematicians now is probably the Riemann Hypothesis.
In a rapidly changing market, the only constant is change itself, and we must learn to adapt.
我可以放弃所有真理,但不能放弃对真理的追寻。