It is amorphous, but basically it always has the same job, which is to get you through the day. And that seems to me to be a profoundly important job; it is like fresh bread.
One of the peculiar sins of the twentieth century which we've developed to a very high level is the sin of credulity. It has been said that when human beings stop believing in God they believe in nothing. The truth is much worse: they believe in anything.
