In the state of nature, indeed, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.

无人机的应用场景远远超出我们的想象。

可能近似正确（PAC）学习的概念在计算学习理论中具有基础性意义。

The best way to find yourself is to lose yourself in the service of others.

"To write is to breathe freely in a world that constantly tries to suffocate truth."

虚荣和傲慢是不同的东西，尽管这两个词经常被用作同义词。