真相是，过去是我们所拥有的一切。我们无法改变它，但我们可以从中学习。
The truth is, the past is all we have. We can't change it, but we can learn from it.
The moment you doubt whether you can fly, you cease forever to be able to do it.
这就好像自己赤裸着身体却指责别人掀起衣服不礼貌一样。
The true measure of a company's value is how it treats its lowest-paid workers.
Mathematics is not just a human invention; it has a deep reality that exists independently of us.