The first two sons, QÄbÄ«l and HÄbÄ«l, Every had a twin sister, and each son married his brother’s sister. QÄbÄ«l subsequently killed HÄbÄ«l. Later, ShÄ«th was born without a sister and became Adam’s favourite and his spiritual heir (Nas talks about his easy day by day program consisting of the early morning walk