“I keep thinking about the fragmented quality of human awareness: You take your blindness for granted most of the time then suddenly it stuns you: how little you see as you plunge ahead from minute to minute, day to day, year to year - vision cut down to the arc of a flickering flashlight, never sure how your words and acts are affecting someone else because you never really see that someone as he is. I know we should find even the most serene life unendurable were we to possess to any real degree those extrasensory perceptions which our grandmothers believed in...”