L-函数的研究不仅仅是证明定理，而是理解模式。

领导的艺术在于说不，而不是说是。说是很容易的。

All the greatest gains in life — in wealth， relationships， or knowledge —come from the magic of compounding interest — amplifying small steady gains. All you need for abundance is to keep adding 1% more than you subtract on a regular basis.