证明的严谨性将数学与所有其他科学区分开来。

世界就是它本来的样子；那些一无是处、自甘堕落的人，在这个世界上没有立足之地。

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.

成功投资的关键是有耐心等待合适的机会。