The famous American writer mark twain was well-known for his absent-mindedness. One day, when he was riding in a train, the conductor asked him for his ticket. Mark twain looked for the ticket in all his pockets, but he didn’t find it.
At last, the conductor knew the writer, so he said, “it doesn’t matter really. Show me your ticket on your way back. And if you don’t find it, there is no trouble.”
“oh, but I must find the damned thing, otherwise how will I know where I’m going?”
 
著名的美国作家马克·吐温以其心不在焉出名。有一天，他坐火车的时候，售票员过来查票。马克·吐温翻遍了所有的口袋，但还是没有找到车票。
最后，售票员认出了这位著名的作家，说：“不要紧。返程的时候出示一下票就行，即使找不到的话，也没关系。”
“哦，不过我还是得找到这个鬼家伙，不然的话，我怎么知道我要去哪儿呢？”