Umar Ibn Khattab shows that once someone fell by the Jews had told him: "O Commander of the Faithful! It is a verse in your Holy Book, which all Muslims you read, verse which, if we had declared, Jews would certainly have made holiday day of its promulgation. " Umar asked: "Which verse is it?" The Jew replies: "This day I have perfected your religion for you, and completed My Favor upon you and have chosen for you Islam as religion."(Quran 5: 3) 'Umar replied: "Obviously we know well the day and the place in which He has sent down this (verse) Prophet. Juma There were days and he was standing at Arafat." (Bukhari, 45)