Once he gets to the fort the colonel turns to John Wayne and says, "I did see a few Indians on the way over here." And John Wayne, with this really cool look on his face, replies, 'Don't worry. If you were able to spot some Indians, that means there weren't any there.' I don't remember the actual lines, but it went something like that. Do you get what he means?
Haruki Murakami, Blind Willow, Sleeping Woman
meaning