The art of doing mathematics consists in finding that special case which contains all the germs of generality.

The future of steel lies in sustainability and innovation.

不要着急，最好的总会在最不经意的时候出现。

We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.

成功的真正标准是我们对多少人的生活产生了积极影响，而不仅仅是收入数字。