GREATEST SINS!

Narrated Narrated Abullah (RA):I asked the Prophet(SAS),What is the greatest sin in consideration with Allah? He said ,”That you set up a rival to Allah though He Alone created you .”I said “,That is indeed a great sin. Then I asked ,”What is next?”He said,”To kill your son lest he should share your food with you.” I asked ,”What is next ?”He said ,”To commit illegal sexual intercourse with the wife of your neighbor.”