Quran 19:87 from Surah Maryam on Divine Marvels.
لَّا يَمۡلِكُونَ ٱلشَّفَٰعَةَ إِلَّا مَنِ ٱتَّخَذَ عِندَ ٱلرَّحۡمَٰنِ عَهۡدٗا
English translation: Not they will have the power (of) the intercession except (he) who has taken from the Most Gracious a covenant
Transliteration: la yamlikuna al-shafa'ata illa mani ittakhadha inda al-rahmani ahdan