The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.

You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.

我愿你快乐，即使你的快乐不再是因为我。

The poet is a man who can see the invisible and hear the inaudible.