At the empty nest turning point of middle age, something arose in me, and my journal became full of entries about being alone. I discovered that two entries written 10 years apart were almost identical. I had not yet learned to dignify "alone" with the name of Solitude, but I knew what I wanted, what I needed—as if my life was depriving me of something as essential as the air I breathed.
What is one to do with such moments, such memories, but cherish them? Who knows what is beyond the known? And if you think that any day the secret of light might come, would you not keep the house of your mind ready? Would you not cleanse your study of all that is cheap, or trivial? Would you not live in continual hope, and pleasure, and excitement?