Love is the poetry of the senses.

量子计算的挑战不仅在于建造量子计算机，还在于理解它能做什么。

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.