The poem ends with an autobiographical note by the poet.

The poem ends with a sacrifice of thanksgiving for his recovery.

The poem ends with the lines: But they never came back.

"We cannot move more slowly today than yesterday," the poem ended.

The poem ends here (but see note to line 146).

The poem ends with a prediction about their future children, seven boys and five girls.

The poem ends with their death and burial seven years later.

Maybe it is a biblical reference as the poem quickly ends with the word but has no other clear connection to what glass means.

The poem ends with the blunt statement, "I just think it will happen, soon."

That poem ends with the perfect elegy for the father and language itself.