Among a thousand public speakers there may be only one who can speak before a composite audience of locksmiths and professors in the same hall in such a way that his statements can be fully comprehended by each group while at the same time he effectively influences both and awakens enthusiasm, on the one side as well as on the other, to hearty applause. But it must be remembered that in most cases even the most beautiful idea embodied in a sublime theory can be brought home to the public only through the medium of smaller minds. The thing that matters here is not the vision of the man of genius who created the great idea but rather the success which his apostles achieve in shaping the expression of this idea so as to bring it home to the minds of the masses.