and by now the thing must have passed altogether out of the region of sight as we understand it , for he says that the whole solid figure of these enamoured and inter-inanimated circlings was suddenly revealed as the mere superficies of a far vaster pattern in four dimensions , and that figure as the boundary of yet others in other worlds : till suddenly as the movement grew yet swifter , the interweaving yet more ecstatic , the relevance of all to all yet more intense , as dimension was added to dimension and that part of him which could reason and remember was dropped farther and farther behind that part of him which saw , even then , at the very zenith of complexity , complexity was eaten up and faded , as a thin white cloud fades into the hard blue burning of the sky , and a simplicity beyond all comprehension , ancient and young as spring , illimitable , pellucid , drew him with cords of infinite desire into its own stillness .