"The serve is the most important shot in tennis."
成功不在于金钱,而在于幸福。
Collaboration across borders is essential—no single nation holds all the answers to global food security.
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。