用心栽花、施肥、灌溉，花却总是不开；无意间将柳条插在地上，却长成了郁郁葱葱的柳树。

The most powerful art is often the simplest.

"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

If you want something you've never had, you must be willing to do something you've never done.