I sat in the hospital room with my husband, waiting anxiously. Our young son was having corrective eye surgery and I felt the butterflies jostle in my stomach as I fretted and worried. I tried to pray, asking God to give me His peace. As I leafed through my Bible, I thought about Isaiah 40, so I turned to the familiar passage, wondering if anything fresh would strike me.

As I read, I caught my breath, for the words from so many years ago reminded me that the Lord “tends his flock like a shepherd” as He “gathers the lambs in…