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。

市场总是在变化，你的策略也应该如此。

To write is to confront the abyss, to stare into the void and find meaning in the chaos.

We want to build technology that everybody loves using, and that affects everyone. We want to create beautiful, intuitive services and technologies that are so incredibly useful that people use them twice a day. Like they use a toothbrush. There aren’t that many things people use twice a day.

Sustainability isn't just a trend; it's our responsibility to future generations.

模型是对现实的简化表示，但其价值在于它能够提供不立即显而易见的见解。

The world is full of stories, but it's the ones we tell ourselves that shape our reality.