Man kills man( Cain&Abel) because of pride,selfish,hatred,jealousy,envy and other kinds of wickedness.The strong ones as settlers overcome the weak ones to inhabit their natural abode-the survival of the fittest/preys and predators' type of association; worlds or world apart/marginalization due to lack of true love - '' Jungle Experience'' ,latest inspirational/sensational message from Larry De Psalmist produced by Mirblac Tunes lend him your ears.