相较于挠一下我的手指，毁灭整个世界并不违反理智。

Flow is being completely involved in an activity for its own sake. The ego falls away. Time flies. Every action, movement, and thought follows inevitably from the previous one, like playing jazz. Your whole being is involved, and you're using your skills to the utmost.

最重要的是能够思考，能够观察，能够判断你所看到的事物。