I peeked over the grape-stake fence that encloses our backyard. There I saw folks running, jogging, walking, and 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...