这句话其实是莎士比亚借哈姆雷特之口说的，但是霍金非常喜欢，曾在自己著作中多次引用，所以很多人误以为本句话是霍金说的。
Listen to your customers more than you speak to them - they'll tell you exactly what you need to know.
日本人是世界上最强迫性的民族。
The study of L-functions is a reflection of the unity of mathematical knowledge.