数学是过去与现在之间的对话。
Mathematics is a dialogue between the past and the present.
市场保持非理性的时间可能比你保持偿付能力的时间更长。
"I don't think about the past. I focus on the present and the future."
我不知道在世人眼中我是什么样子,但对我自己来说,我似乎只是一个在海边玩耍的男孩。
The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.