乌鸦聚集在一起，虽然看上去很和好，实际上并不亲密；不慎重地结交朋友，虽似牢固，终必破裂。
A mathematician is a device for turning coffee into theorems.
当我在表演时，我不觉得自己在表演。我觉得我在生活。
We must balance short-term performance with long-term value creation. That's the essence of responsible energy development.