The best quarries leave not just holes in the ground, but value in communities.

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

未来出行的关键不是销售更多的汽车，而是提供更好的出行解决方案。

The harder I work, the more I live.

Every truth goes through three stages: first, it is ridiculed; second, it is violently opposed; third, it is accepted as self-evident.

在互联网行业，唯一不变的就是变化本身。

在化学工业中，安全不是一个部门，而是一种文化。