自信是最好的装扮。
The laws of physics are universal, but our understanding of them is constantly evolving.
If a problem cannot be solved， enlarge it.
The smart way to keep people passive and obedient is to strictly limit the spectrum of acceptable opinion, but allow very lively debate within that spectrum.
未来只是一个我们用来逃避现在的概念。
远水救火是难办到的，再好的亲戚也不如近处的邻居。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The act of writing is an act of courage and defiance.