A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 9 Page 17

those people got a thing into his head, there was no getting it out again. I knew that, so I saved my breath, and offered no explanations. As soon as Sir Sagramor got well, he notified me that there was a little account to settle between us, and he named a day three or four years in the future; place of settlement, the lists where the offense had been given. I said I would be ready when he got back. You see, he was going for the Holy Grail. The boys all took a flier at the Holy Grail now and then. It was a several years’ cruise. They always put in the long absence snooping around, in the most conscientious way, though none of them had any idea where the Holy Grail really was, and I don’t think any of them actually expected to find it, or would have known what to do with it if he had run across it.