...' I want to make sense of the world, Doctor. I want to undo the screws, take off its elegant face, glimpse the glittering movement, poke around in the gears and then decide if it's broken or not. Then I want to know if there is anything we can do to put it back together again. There may not be, but at least we'd have the satisfaction of knowing.' ' We'd be satisfied by our own impotence?' ' We won't know until we try