Collaboration across industries and borders is essential to meet the world's energy needs.

When stocks are attractive, you buy them. Sure, they can go lower. I've bought stocks at $12 that went to $2, but then they later went to $30. You just don't know when you can catch the bottom.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

质量是企业的生命线，我们必须以最高的标准要求自己。