因此，自爱是行动的必要原则。
Self-love， then， is a necessary principle of action.
Every shot in a film should have a purpose, a reason to exist.
When everything is easy one quickly gets stupid.
The market is changing rapidly, only by adapting to changes can we remain invincible.
我们越是深入量子世界，就越意识到我们不知道的东西有多少。
生活不是等待暴风雨过去，而是学会在雨中跳舞。