Meaning of this saying "language is a dialect with a gun and powder"

The meaning of this message is very powerful. Language contains a lot of meanings indeed, and it can really be used in order to harm someone even when the language is understood. Same goes when misunderstood towards others unfamiliar with it as they can misinterpret it. Guns are always harmful and powerful whether you know how to use it or not, and same goes with a language when in use towards a person.