“rising up early and teaching them.” The phrase “rising up early” is an idiom meaning to do something again and again. The idea is that God rose up early and taught Judah over and over as the day progressed. The REV has kept the idiom but inserted the meaning of the idiom by adding “over and over” in italics.

[For more on this idiom and where it occurs, see commentary on Jeremiah 26:5.]