Surah An-Naml, Verse 28

ٱذۡهَب بِّكِتَٰبِي هَٰذَا فَأَلۡقِهۡ إِلَيۡهِمۡ ثُمَّ تَوَلَّ عَنۡهُمۡ فَٱنظُرۡ مَاذَا يَرۡجِعُونَ٢٨

idh'hab bikitābī hādhā fa-alqih ilayhim thumma tawalla ʿanhum fa-unẓur mādhā yarjiʿūna

Take this letter of mine and deliver it to them. Then leave them and see what [answer] they will return."