Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

The challenge in quantum computing is not just to build a quantum computer, but to understand what it can do.

A painting is never finished, only abandoned.

学习是避免陷入人生困境的唯一途径。

我想跑一场好比赛，一场人们会记住的比赛。

有人说：“如果用恩德来回报别人对自己的怨仇，行不行呢？”孔子说：“这样的话，你将用什么来报答别人对你的恩德呢？不如以公正对待怨仇，以恩德报答恩德。”