Dream's evanescence, the way in which, on awakening, our thoughts thrust it aside as something bizarre, and our reminiscences mutilating or rejecting it-all these and many other problems have for many hundred years demanded answers which up till now could never have been satisfactory.

In the true sense one's native land with its background of tradition early impressions reminiscences and other things dear to one is not enough to make sensitive human beings feel at home.