I will hazard a prediction. When you are 80 years old， and in a quiet moment of reflection narrating for only yourself the most personal version of your life story， the telling that will be most compact and meaningful will be the series of choices you have made. In the end， we are our choices. Build yourself a great story.

If you do what you’ve always done, you’ll get what you’ve always gotten.

I don’t like to be second. I like to be first.

别难过……世界上有许多人还不知道他们到底是谁或什么。

自然的统一性不是我们发现的事实，而是我们对它提出的要求。

我不是一个喜欢被遗忘的人。

The integration of digital technology will revolutionize traditional coal mining.