评论人物，应该充分肯定他的长处，宽容地谅解他的短处；办理事务，应该首先弄清它的害处，然后再衡量它的利处。

I think as technologists we should have some safe places where we can try out new things and figure out the effect on society.

Fear not that the life shall come to an end，but rather fear that it shall never have a beginning.

The future of coal is bright if we fight for it.

Customer trust is hard to earn and easy to lose—guard it fiercely.