Some of what keeps us up at night is genuinely too great for us, and we keep pacing inside it anyway. Psalm 131 is three verses long, and it is about the difference between a nursing child and a weaned one.

None of it is hard. Pull any single date off the calendar and most of them are things I'm glad to be doing. They just stack. What Psalm 127 says about anxious toil, and why the answer it gives is sleep.

Psalm 121 was sung by people walking a road with real danger on it, and it never promises the hills get smaller. It promises a keeper who doesn't sleep, on the same road, in the same weather.