我是一个正在进行中的作品。
I'm a work in progress.
Coal is not just a commodity, it's a commitment to America's future.
I don’t like to do easy things. I like to do things that are challenging and that push me.
What is the one sentence summary of how you change the world? Always work hard on something uncomfortably exciting!
The true challenge in mathematics is not solving problems, but asking the right questions.