Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied.
语言是一种自由创造的过程;其法则和原则是固定的,但生成原则的使用方式是自由且无限多样的。
I decline to accept the end of man.
Don't be pushed by your problems. Be led by your dreams.
在量子力学的领域里,观察者和被观察者密不可分,这对我们关于现实的经典观念提出了挑战。
The greatest education in the world is watching the masters at work.