Do you believe in God? Do you believe also there are enemies of the great God? Those stand against his laws. Do you know that the invisible rules the world. Do you believe that there are good and bad? You do know these two are in opposite? The bible is the source of information about evil and right. God is righteous in love, but Satan hates the righteousness of God. He made himself enemy of God and good.
I give you one example from the scriptures. Matthew 13:24-25

24 Jesus told them another parable: “The kingdom of heaven is like(B) a man who sowed good seed in his field. 25 But while everyone was sleeping, his enemy came and sowed weeds among the wheat, and went away.

Look around you and consider the things that happen. God is righteous and greater man in his image and likeness. He made his creation in ORDER and also made MAN to keep the order.
This violence disorder we witness today was inspires by the enemy of God and man. Satan has in his subtle nature led man to join his evil ways and are causing the evils of all times. It takes the Spirit of God to understand the things of the spirit.