Memory and imagination shaped dim half-pictures with uncertain outlines amidst the seething chaos, but Carter knew that they were of memory and imagination only. Yet he felt that it was not chance which built these things in his consciousness, but rather some vast reality, ineffable and undimensioned, which surrounded him and strove to translate itself into the only symbols he was capable of grasping. For no mind of Earth may grasp the Extensions of shape which interweave in the oblique gulfs outside time and the dimensions we know.