困苦受辱不值得忧虑，而自取困辱才值得忧虑。荣耀利益不是真正的快乐，忘掉荣耀利益才是真正的快乐。

We have more than enough wealth and power for those who can enjoy simple pleasures.

Collaboration in mathematics is essential; the exchange of ideas leads to breakthroughs that no single mind could achieve alone.

I don’t know where I’m going, but I’m on my way.

解决问题的最好方法是让别人为你解决。

每一个结束都是伪装的开始。