2:111
And they said, "Never will enter the Paradise except who is (a) Jew[s] or (a) Christian[s]." That (is) their wishful thinking. Say, "Bring your proof if you are [those who are] truthful."

21:24
Or (have) they taken from besides Him gods? Say, "Bring your proof. This (is) a Reminder (for those) who (are) with me, and a Reminder (for those) who (were) before me." But most of them (do) not know the truth so they (are) averse.

28:75
And We will draw forth from every nation a witness and We will say, "Bring your proof?" Then they will know that the truth (is) for Allah and (will be) lost from them what they used (to) invent.

27:64
Or Who originates the creation then repeats it and Who provides you from the heavens and the earth? Is there any god with Allah? Say, "Bring forth your proof if you are truthful."