I The Chapter known as The Looking -Glass In which chapter it is related how it surpasseth in brilliance all other glasses in which we see darkly , and how by it we see face to face ; and of its divers reflections , and of the brightness and perfection of its surface , and the whiteness of the silver of which it is moulded ; for it was cast from the crucible of many mysteries , and fashioned by the cunning hand of a master who will endure to the end .