If actions are stronger than words, why is the pen mightier than the sword?
Communicating opinions can change more minds than aggression.
From Wikipedia:
The pen is mightier than the sword" is a metonymic adage, penned by English author Edward Bulwer-Lytton in 1839, indicating that communication (particularly written language), or in some interpretations, administrative power or advocacy of an independent press, is a more effective tool than direct violence.