Surah Al-Anbya 21:34

وَمَا جَعَلْنَا لِبَشَرٍ مِّن قَبْلِكَ ٱلْخُلْدَ ۖ أَفَإِي۟ن مِّتَّ فَهُمُ ٱلْخَـٰلِدُونَ

And We did not grant to any man before you eternity [on earth]; so if you die - would they be eternal?

Translation: Saheeh International

Tafsir

When the disbelievers said that Muhammad (s) would die the following was revealed And We did not assign to any human being before you immortality permanence of life in this world. …

Excerpt from Tafsir al-Jalalayn, commentary on 21:34, via Quran.com. The reader has the full commentary and 9 more tafsirs.