在不确定的时期，适应力和韧性成为我们最大的优势。

不相容原理无法从旧量子力学中推导出来，而是一条新的自然法则。

I think the most important thing is to be true to yourself.

——《中国人之直言》（1920年4月3日）

人生的时间是有限并不可变的，所以要有效率地用每一分钟，不用好就是一种浪费。

The world is full of stories, but it's the ones we tell ourselves that shape our reality.

The beauty of instrumental variables is that they allow us to see the world in a new light.

Quality should never be compromised for the sake of short-term profits.