The mission of an entrepreneur is not just to make money but to create value for society.

We try to buy stocks that are selling below their book value.

在别人家住的太久了，人就变得不再尊贵，来往太频繁了，亲密的程度就会下降。

采矿技术的创新不是为了取代人，而是为了让他们能够更好、更安全地完成工作。