As he came up smiling towards us, I saw with pleasure that I must give up the Colney Hatch theory as to the waterman, for no two madmen ever behaved as they did before a sane man.

当他微笑着朝我们走来时，我很高兴地看到我必须放弃关于水手的科尔尼哈奇理论，因为没有两个疯子在一个正常人面前表现得像他们一样。