应该忧虑的是自身不好，而不该忧虑别人不了解自己。《老子》中说“知人者智也，自知者明也。”人生要多些反思，也要多些扪心自问，看清自己更重要。

We have a mantra: don’t be evil, which is to do the best things we know how for our users, for our customers, for everyone. So I think if we were known for that, it would be a wonderful thing.

成功不是你赚了多少钱，而是你在人们生活中做出的改变。

计算复杂性理论的发展向我们展示了并非所有问题都是平等的。

我们的力量来自于适应和进化的能力。

She felt a strange sense of belonging, as if she had finally found her place in the world.