Meaning of the word "he who lives by the sword, dies by the sword" in English

What does "he who lives by the sword, dies by the sword" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

he who lives by the sword, dies by the sword

US /hi hu lɪvz baɪ ðə sɔːrd, daɪz baɪ ðə sɔːrd/
UK /hiː huː lɪvz baɪ ðə sɔːd, daɪz baɪ ðə sɔːd/
"he who lives by the sword, dies by the sword" picture

Idiom

those who use violence or deceit to achieve their goals will ultimately suffer the same fate themselves

Example:
The gang leader was eventually shot, proving that he who lives by the sword, dies by the sword.
He built his career on destroying others, but now he's being ruined by the same tactics; he who lives by the sword, dies by the sword.