创新不是对每件事都说“是”，而是对除最关键功能外的一切说“不”。

我不相信鬼魂，但我总是看到它们。

The test of a psychological theory is its applicability to life.

I'm not a pop star, I'm a performance artist.

Leadership is not about giving orders; it's about inspiring others to achieve greatness.

To define is to limit.

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.

I don’t follow trends. I set them.