If time travel is possible, where are the tourists from the future?

No matter how good you get you can always get better, and that's the exciting part.

解析：良知即是天理。

"Success is the best revenge."

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.

Without effort, your talent is nothing more than your unmet potential.

"Every character should want something, even if it is only a glass of water."