This lie tells us that diplomacy is weakness, and violence is strength. That power is not in raising our ideals of justice but in raising our voices of anger. That flexing our muscles is more important and effective than flexing our principles.
Cultivating peace takes a lot of forethought and a lot of gusto to go through with. Peace is not an esoteric concept to make you feel good when you have a bad day. It is a conscious, moment to moment lifetime process with immediate benefits.