系统有子系统，子系统有子系统，等等，这是无限的，这就是为什么我们总是从头开始。
Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.
The best way to overcome fear is to face it with courage.
The world is full of magic things, patiently waiting for our senses to grow sharper.
The right incentives can turn conflicts into cooperation.
伤人的不是再见，而是随之而来的回忆。
The moment you stop trying is the moment you start failing.
面对挑战，我们必须保持韧性和创新。