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.

真正的进步不仅以利润衡量，还以我们对人类和地球的积极影响衡量。

世界上最成功的社会是那些结合了国家和市场优势的社会。

与孟子不同，荀子主张“性恶”，认为人性本恶。因而更强调人为的作用，通过后天的人为的努力才能达到“善”。没有本性那么人为的努力就不能对症下药，没有人为的努力，本性就不能改善。所以主张“性伪合”，天生的本性和后天的努力对人都有重要影响，而后天的努力更为重要，它是我们能够自己掌控的，“学不可以已”的意义就更大。