sorrow that soldiers turn to hatred

"The anger and the emptiness and the hate that had come with the let-down after the bridge, when he had looked from where he had lain and crouching, seen Anselmo dead, were still all through him. In him, too, was despair from the sorrow that soldiers turn to hatred in order that they may continue to be soldiers. Now it was over he was lonely, detached and unrelated and hated every one he saw."

For Whom the Bell Tolls