只有不断学习，才能不断进步。

The best way to learn mathematics is to do mathematics.

Old age is not interesting until one gets there.

The true investor is in a position to take advantage of the market's recurrent and inevitable mistakes.

我爱她是违背常理，是妨碍前程，是失去自治，是希望破灭，是断送幸福，是注定要尝尽一切的沮丧和失望的。可是，一旦爱上了她，我再也不能不爱她。

生活的最好方式是活在当下。