I headed toward home alone, really alone now, telling myself that in all the sprawling immensity of our mighty continent the least-known factor of living was the human heart, the least-sought goal of being was a way to live a human life. Perhaps, I thought, out of my tortured feelings I could fling a spark into this darkness. I would try, not because I wanted to but because I felt that I had to if I were to live at all.