15:24
وَلَقَدْ عَلِمْنَا ٱلْمُسْتَقْدِمِينَ مِنكُمْ وَلَقَدْ عَلِمْنَا ٱلْمُسْتَـْٔخِرِينَ
And We have already known the preceding [generations] among you, and We have already known the later [ones to come].
The Rocky Tract
وَلَقَدْ عَلِمْنَا ٱلْمُسْتَقْدِمِينَ مِنكُمْ وَلَقَدْ عَلِمْنَا ٱلْمُسْتَـْٔخِرِينَ
And We have already known the preceding [generations] among you, and We have already known the later [ones to come].
Nearby ayahs help place verse 15:24 in sequence and meaning.
وَأَرْسَلْنَا ٱلرِّيَـٰحَ لَوَٰقِحَ فَأَنزَلْنَا مِنَ ٱلسَّمَآءِ مَآءً فَأَسْقَيْنَـٰكُمُوهُ وَمَآ أَنتُمْ لَهُۥ بِخَـٰزِنِينَ
And We have sent the fertilizing winds and sent down water from the sky and given you drink from it. And you are not its retainers.
وَإِنَّا لَنَحْنُ نُحْىِۦ وَنُمِيتُ وَنَحْنُ ٱلْوَٰرِثُونَ
And indeed, it is We who give life and cause death, and We are the Inheritor.
وَإِنَّ رَبَّكَ هُوَ يَحْشُرُهُمْ ۚ إِنَّهُۥ حَكِيمٌ عَلِيمٌ
And indeed, your Lord will gather them; indeed, He is Wise and Knowing.
وَلَقَدْ خَلَقْنَا ٱلْإِنسَـٰنَ مِن صَلْصَـٰلٍ مِّنْ حَمَإٍ مَّسْنُونٍ
And We did certainly create man out of clay from an altered black mud.