What is the antidote to human self destruction?

Directionally... humans can go in extreme directions with terrible results. See article below capturing a small segment of those, innocent children caught up in global conflict

. Notable from story blow was the 80yr old veterans return where he learned to stop hating Japanese. That hate was cured by the behavior of the school girls.

https://www.cnn.com/travel/world-war-ii-okinawa-battle-sites-intl-hnk-ml/index.html

What is the antidote to human self destruction?
What is the antidote to human self destruction?
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