It is within my power either to serve God, or not to serve. Serving, I add to my own good and the good of the whole world. Not serving, I forfeit my own good and deprive the world of that good, which was in my power to create.
Nothing is inherently and invincibly young except spirit. And spirit can enter a human being perhaps better in the quiet of old age and dwell there more undisturbed than in the turmoil of adventure...