five o'clock in the
morning
`` Ask Thomas , who let me in this morning , '' resumed Richard , `` whether I was not at work in the library by five o'clock . '' It went a good deal against the grain with Richard to appeal to any witness for corroboration : he was proud of being a man of his word ; but although not greatly anxious to keep his temporary position , he was anxious the compact should not be broken through anything he did or said . `` Let you in ? '' exclaimed Arthur ; `` -- let you in before five o'clock in the morning ? Then you were out all night ! '' `` I was . '' `` That can not be permitted . ''