In which word then, after this will they believe?
Which Hadith, other than this, do they uphold
After this, in what discourse will they believe
In what narration after it, will they believe
So with which information/speech after it (do) they believe (in it)
Which message other than the one in Qur’an will they believe in
So after this, in what matter will they believe
In what discourse then, after this, will they believe
Then in what revelation after this (Qur’an) will they believe
Look! in what other revelation will they believe after this (when they have refused to accept such an infallible Book as this Qur'an)
Then in what statement after this (the Quran) will they believe