没有我们开采的金属，能源转型就无法实现。

Stay true to yourself, because no one can replace you.

好奇心驱动科学，但道德必须引导它。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.

客户满意是我们公司最好的广告。