There is another way of disqualifying the metaphysicians.... Judge them by their works. What have they done for mankind beyond the spinning of airy fancies and the mistaking of their own shadows for gods?
We do not quite say that the new is more valuable because it fits in; but its fitting in is a test of its value - a test, it is true, which can only be slowly and cautiously applied, for we are none of us infallible judges of conformity.