There, it slowly and unwillingly establishes itself on the throne of destruction, signing it's license with death and corrupts an entire system.
Crime is a splendid example.
It all started as a speck between the firs two brothers, Cain and Abel. Now, crime has eroded, corroded and corrupted our whole world as a system. It stealthily creeps in, spreads and gets very comfy in the seat, behind the steering wheel of the mind. Think of smoking, drugs, sexual immoralities and the list goes on with the consequences trailing behind. Let us harm ourselves, set out in the battlefield against the evil of cancer, likened to a malignant, corrosive sore.