《太平广记》中记载了“州举秀才”侯白对越国公杨素讲的一则笑话故事,大意是说:杨素问侯白,现在有一个大坑,有几百尺深,你如果跳进去的话,有什么办法出来呢?侯白说,我不需要别的东西,只要用一根针,在脑袋上扎一个洞,把头脑中的水放出来故满一坑,就可以浮水上来了。杨素就问他,头脑中哪里有那么多的水呢?侯白就说,要是头脑里没有那么多的水,那他为什么肯跳进 “Taipingguangji” records a “joke of the state to show scholar” Hou Baixiang about the public Yang Su said a joke to the effect that: Yang Hou asked Hou white, there is a pit, there are hundreds of feet deep, If you jumped into it, what is the way out? Hou white said, I do not need anything else, just use a needle, a hole in the head to tie a hole in the mind, put the water out of a pit, you can Floating up. Yang Su asked him, where there is so much water in the mind? Hou white said that if there is not so much water in the mind, then why he jumped into