The challenge in computer science is to bridge the gap between the theoretical models and practical applications.

Play is the language of childhood, and books should speak that language too.

I think that beauty comes from within. It's not something you can put on your face. It's something that you have to feel inside.

有两种公司，一种是努力尝试收费更多的公司，另一种是努力尝试收费更少的公司。我们将是第二种。