I peeked over the grape-stake fence that encloses our backyard. There, I saw folks running, jogging, walking, shuffling around the track that surrounds the park behind our home. I used to do that when I was stronger, I thought. And a wave of dissatisfaction washed over me.

Later, while reading the Scriptures, I came across Isaiah 55:1, “Come, all you who are thirsty,” and I realized again that dissatisfaction (thirst) is the rule, not the exception in this life. Nothing, not even the good things of life can fully satisfy. If I had strong legs like a Sherpa (mountain-climbing guide), there would…