it had been the way they had come two nights prior . i froze , but a split second later the pressure on my neck was gone and the knife disappeared into the folds of his black coat . i saw a person moving in the house to the left , but there wasnt enough light for positive identification . `` if you do not care to , and you are happy with your cave as it is , then you need n't ; but neither ought you go and take someone else 's cave , when they have done all the work . 