سورة An-Naml 27:28

ٱذْهَب بِّكِتَـٰبِى هَـٰذَا فَأَلْقِهْ إِلَيْهِمْ ثُمَّ تَوَلَّ عَنْهُمْ فَٱنظُرْ مَاذَا يَرْجِعُونَ ٢٨

Go with this letter of mine and deliver it to them, then stand aside and see how they will respond.”