信息的价值在于其减少不确定性的能力。

In republican governments, men are all equal; equal they are also in despotic governments: in the former, because they are everything; in the latter, because they are nothing.

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.

成功是个糟糕的老师。它让聪明人认为他们不能失败。

Self-love， then， is a necessary principle of action.