| Quote #4
But O heart! heart! heart! (5)
The speaker is so overwhelmed that he can’t express the pain he’s feeling at the sight of his fallen captain. That's some serious suffering.
| Quote #5
This arm beneath your head; (14)
As a nurse during the Civil War, Whitman likely held many dying men. Not fun. The pain he must have experienced in such a moment really makes this image—the dead captain in the sailor’s arms—the climax of the poem.
| Quote #6
It is some dream that on the deck (15)
Again, the sailor cannot face the reality of the captain’s death. The suffering is unreal, in a way.