Surah Al-Anbya 21:50

وَهَـٰذَا ذِكْرٌ مُّبَارَكٌ أَنزَلْنَـٰهُ ۚ أَفَأَنتُمْ لَهُۥ مُنكِرُونَ

And this [Qur’ān] is a blessed message which We have sent down. Then are you with it unacquainted?

Translation: Saheeh International

Tafsir

And this namely the Qur’ān is a blessed Remembrance which We have revealed. Will you then deny it? the interrogative here is intended as a rebuke.

Excerpt from Tafsir al-Jalalayn, commentary on 21:50, via Quran.com. The reader has the full commentary and 9 more tafsirs.