Everything is what it is， and not another thing.
万物有本然，终不为他者。
An expert is a person who has made all the mistakes that can be made in a very narrow field.
我们不是从经验中学习……我们是从对经验的反思中学习。
The challenge in science is not just to find answers but to understand their deeper implications.
一个国家的力量不仅仅是其强制能力，还包括其提供服务的能力以及在公民眼中保持合法性的能力。