He was a habitual sinner, generally teased his father, disobeyed him and dealt with him with contempt. Someday, disgusted, the father invoked curse upon him. So he was affected with paralysis. Then and there Ali ibna Talib wrote his dua'a and gave it to him with instruction to recite following http://marcojdulb.dbblog.net/26717995/fascination-about-isme-azam-dua