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。
People who boast about their IQ are losers.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
Keeping an active mind has been vital to my survival, as has been maintaining a sense of humor.