Surah Saba 34:28

وَمَآ أَرْسَلْنَـٰكَ إِلَّا كَآفَّةً لِّلنَّاسِ بَشِيرًا وَنَذِيرًا وَلَـٰكِنَّ أَكْثَرَ ٱلنَّاسِ لَا يَعْلَمُونَ

And We have not sent you except comprehensively to mankind as a bringer of good tidings and a warner. But most of the people do not know.

Translation: Saheeh International

Tafsir

And We did not send you except to all kāffatan is a circumstantial qualifier referring to al-nās ‘mankind’ and is made to precede li’l-nās because of the importance attached to it of mankind both as a bearer of good tidings to believers of Paradise and a warner to the disbelievers of chastisement but most people such …

Excerpt from Tafsir al-Jalalayn, commentary on 34:28, via Quran.com. The reader has the full commentary and 9 more tafsirs.