所有老年人共享的大秘密是，你在七八十年里真的没有改变。你的身体改变了，但你一点也没变。当然，这会引起很大的困惑。

The less secure a man is, the more likely he is to have extreme prejudice.

AI is the new electricity.

But how can you do push-ups when your nose gets in the way?

译文：不害怕老虎生了三张口会吃人，就担心世间的人会有两面的心思。赏析：心口不一的人，表面上对人笑脸相迎，背地里却干着损人利己的事。

The core of technological innovation is to solve practical problems, not to innovate for the sake of innovation.