eustace of course would be pleased with nothing , and kept on boasting about liners and motor-boats and aeroplanes and submarines ( `` as if he knew anything about them , '' muttered edmund ) , but the other two were delighted with the dawn treader , and when they returned aft to the cabin and supper , and saw the whole western sky lit up with an immense crimson sunset , and felt the quiver of the ship , and tasted the salt on their lips , and thought of unknown lands on the eastern rim of the world , lucy felt that she was almost too happy to speak .