痛苦可以是一种知识形式。
If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.
Trust is the foundation of every strong business relationship.
The best stories are those that ask questions, not answer them.
Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.
银河系的黑洞是我们研究极端引力的最近实验室。