The Japanese have a proverb which says: “Revenge is a delicious dish best eaten when cold”. There are people (and cultures) that have the capacity to harbour ill-will against their neighbours and would never let go of their quest for vengeance until they get the opportunity to get their own back, no matter how long it takes. Some would even call their children, embellish the grievances and enjoin them never to rest until they have equalled the score