Quran 18:27 from Surah Al-Kahf on Divine Marvels.
وَٱتۡلُ مَآ أُوحِيَ إِلَيۡكَ مِن كِتَابِ رَبِّكَۖ لَا مُبَدِّلَ لِكَلِمَٰتِهِۦ وَلَن تَجِدَ مِن دُونِهِۦ مُلۡتَحَدٗا
English translation: And recite what has been revealed to you of the Book (of) your Lord None can change His Words and never you will find besides Him besides Him a refuge
Transliteration: wa-ut'lu ma uhiya ilayka min kitabi rabbika la mubaddila likalimatihi walan tajida min dunihi mul'tahadan