Question

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

Answer 1

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.
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.

both of these excerpts have the feeling of revenge behind them