 Nietzsche believed that each step of cognition, the transfer of real world information to nerve stimuli, the culmination of nerve stimuli into mental images, the translation of mental images to words, was metaphorical.Modern interpretations of these early theories have also been intensely debated.Janet Soskice, Professor of Philosophical Theology at the University of Cambridge, writes in summary that "it is certain that we shall taste the freshness of their insights only if we free them from the obligation to answer questions that were never theirs to ask".