每一个数学问题都是通向更深入理解世界的窗口。

灵魂是一座花园，思想如花朵般绽放。

The most dangerous man to any government is the man who is able to think things out for himself.

最好的领导者是那些多听少说的人。

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

可持续性不是成本中心；而是我们这代人尚未开发的最大利润池。