技术应该像电力一样在后台为你工作。

互联网是一种工具，可以用于善或恶，取决于我们如何使用它。

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

Ask not what your country can do for you --ask what you can do for your country.

坚持非常重要。你不应该放弃，除非你被迫放弃。