<s>[INST] I'm trying to find the verse or part of verse from "The Waste Land" by T.S. Eliot that mentions "the dead" or "death" and includes the lines "So we'll go no more a-roving, / So late into the night, / Though the heart be still as loving, / And the moon be still as bright." The lines seem familiar but I'm not having luck tracking them down. 

Is there a reference that would explain why these lines are included?[/INST]