The coldest winter I ever spent was a summer in San Francisco.

I don't like favors; they oppress and make me fell like a slave. I'd rather do everything for myself, and be perfectly independent.

生活是由许多小事构成的。

The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

理性是感性的镜子。

煤炭企业的未来在于智能开采和清洁利用。

The only limit to your impact is your imagination and commitment.

过去并没有死去。它甚至还没有过去。