Additionally, the loudness of an object does not indicate its might. Might does not require loudness. Therefore, the units of measurement mightier and louder have no relation.
The actions taken with a pen are generally more well-tempered while those with a sword are ill-tempered. Words are just words and it's what events those words may put into action that reverberate loudest.
Your sword may be used to silence opposition but, in the vacuum you've left, their words remain to inspire. Instead, try to empathize and compromise and agree to accept and tolerate.