译文：月亮过了十五后，就逐渐不明亮了，人到了中年之后，做什么事都难以有大作为。赏析：青少年是人生最美好的时期，这个时期精力最旺盛，记忆力最强，也是人生最该努力奋斗的时候。

你唯一应该努力超越的人就是昨天的自己。

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.

It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.

过去总是与我们同在，而且它总是比我们想象的更复杂。

The wild doesn’t give you second chances. You have to make every moment count.

Data is the lifeblood of AI.

研究中的耐心不是被动的，而是对真理的积极追求。

我们今天所做的每一个决定都会在明天的水域中产生回响。

我想卖出一百万张唱片，我做到了。我想获得白金唱片；我获得了。我从15岁开始就一直在不停工作。我甚至不知道如何放松。

挑战是伪装的机会，用勇气和创造力去迎接它们。