The other morning, while I was toiling through my regular routine on the treadmill and struggling with arthritis-pained knees, toes, and wrists, I found myself looking at the bookcase on the opposite wall. There, on the top shelf, were several anthologies and other books that include some of my own writings. Behind me, I remembered the huge notebook filled with tear sheets of my published articles. (I say remembered because I didn’t turn to look at it. I once learned a painfu