Chapter III

It came over me that by means of such conceptions of the newer geometry one might form a conception of space, which otherwise remained fixed in vacuity. The straight line returning upon itself like a circle seemed to be a revelation. I left the lecture at which this had first passed before my mind as if a great load had fallen from me. A feeling of liberation came over me. Again, as in my early boyhood, something satisfying had come to me out of geometry.