Surah Al-Isra 17:108

وَيَقُولُونَ سُبْحَـٰنَ رَبِّنَآ إِن كَانَ وَعْدُ رَبِّنَا لَمَفْعُولًا

And they say, "Exalted is our Lord! Indeed, the promise of our Lord has been fulfilled."

Translation: Saheeh International

Tafsir

and say “Glory be to our Lord exalting Him above the claim that His promise of sending a prophet had not been fulfilled. Indeed in softened Our Lord’s promise of its the Qur’ān’s revelation and the sending of the Prophet s is bound to be fulfilled”.

Excerpt from Tafsir al-Jalalayn, commentary on 17:108, via Quran.com. The reader has the full commentary and 9 more tafsirs.