Science is not just about answering questions, but also about discovering new questions to ask.

In social networking, user growth is not the goal but a natural result of user satisfaction.

I love inside jokes. I'd love to be a part of one someday.

Technology is transforming coal mining from a brute force industry to a precision operation.

学习数学的唯一方法就是做数学。

You can obsess about serving your customers/audience/clients， or you can obsess about beating the competition. Both work， but of the two， obsessing about your customers will take you further.