" I'm not afraid of god-like opponents, but I'm afraid of pig-like teammates." Where did this phrase come from?

This sentence originated from the 1998 novel 'Battle Through the Heavens' and was a famous quote from the main character, Xiao Yan, on his training path. The original text was: " Not afraid of god-like opponents, but afraid of pig-like teammates." In the novel, Xiao Yan had experienced many difficult challenges and tests, but he had always believed in this sentence. Through continuous hard work and increasing his strength, he had finally defeated many powerful opponents.