没有明显原因的巨额财富的秘密是被遗忘的罪行。

The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.

在数学中，没有捷径可走。

最好的还在后头。

永远不要停止学习。世界总是在变化，你必须随之改变。