What textual evidence from “The Interlopers” supports the conclusion that hatred eventually takes its own revenge?

Who are they?" asked Georg quickly, straining his eyes to see what the other would gladly not have seen. "Wolves."

An idea was slowly forming and growing in his brain, an idea that gained strength every time that he looked across at the man who was fighting so grimly against pain and exhaustion.

If only on this wild night, in this dark, lone spot, he might come across Georg Znaeym, man to man, with none to witness—that was the wish that was uppermost in his thoughts.

Relief at being alive and exasperation at his captive plight brought a strange medley of pious thank-offerings and sharp curses to Ulrich's lips.