Hi! Excellent post. I like the sentence:
Darkness cannot destroy darkness. Only light can do that.
We have recorded in our subconscious the phrase of the old testament: Eye for an eye.
It is difficult not to correspond a blow with another blow.
As Mr. @shortsegments said:
If we want people to stop being hateful we must show love and compassion. If we want people to stop being selfish and greedy we must show generosity.
It is important to plant this seed in our minds. Maybe the next time we face an extreme situation, we stop to think why we behave the way we behave and decide to break the cycle. Change our attitude in the face of adversity.
Thank you for reminding us that there is light in the world 
Thank you for your kind words.