领导的艺术在于说不，而非说是。说是很容易的。

I don't want to be as good as I was, I want to be better than I was.

The more you learn, the more you realize how little you know.

——反复对革命党人说

We're not just making products—we're shaping the future of our planet with every decision.

虚心使人加倍高贵。