What the F.D.I.C. does is to put the full faith and credit of the United States government behind every savings account in the nation up to a limit that has changed over the years and stands now at $100 000.
If God has made the world a perfect mechanism He has at least conceded so much to our imperfect intellect that in order to predict little parts of it we need not solve innumerable differential equations but can use dice with fair success.