The fourth line of the third verse is "Child of God, lift up your head." This is sung to an ascending musical phrase (diatonically ascending, even), so there's a musical representation of that "lift[ing]":
The third line of the first verse is "Death and sorrow, earth's dark story," which is sung to a descending musical phrase:
While not as straightforward as the ascent for "lift," I'd argue that this descent musically illustrates the "sorrow."
