Fa in kunta fee shakkim mimmaaa anzalnaaa ilaika fas'alil lazeena yaqra'oonal Kitaaba min qablik; laqad jaaa'akal haqqu mir Rabbika falaa takoonanna minal mumtareen
But if you are in doubt as to what We have revealed to you, ask those who read the Book before you; certainly the truth has come to you from your Lord, therefore you should not be of the disputers.