没有熟练的操作者，最先进的机械也毫无意义。

唯一真正的艺术是灵魂的艺术。

"Complexity theory teaches us that not all problems are created equal; some are inherently harder than others."

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.