live by the sword, die by the sword To avoid dying in a violent manner, you should always heed the phrase, "if you live by the sword, die by the sword."
“live by the sword, die by the sword”意指善有善报,恶有恶报,而对于恶人来说,就是以其人之道还治其人之身了。 The term "live by the sword, die by the sword" means that violent people will be treated violently themselves.