Violence is immoral because it thrives on hatred rather than love. It destroys community and makes brotherhood impossible. It leaves society in monologue rather than dialogue. Violence ends up defeating itself. It creates bitterness in survivors and brutality in the destroyers.
Violence never brings permanent peace. It solves no social problem: it merely creates new and more complicated ones. Violence is impractical because it is a descending spiral ending in destruction for all
Sometimes, you need to step back to see the whole picture.
Sometimes you need the loss to realise something even better.
Sometimes, you need that loss to grow.
"Losses" isn't necessarily a bad thing.
It just means that you learn from your mistakes.