لِتُنذِرَ قَوْمًا مَّآ أُنذِرَ ءَابَآؤُهُمْ فَهُمْ غَـٰفِلُونَ
Litunzira qawmam maaa unzira aabaaa'uhum fahum ghaafiloon
to warn a people whose forefathers were not warned, and so they are unaware.
to warn a people whose forefathers were not warned, so they remain unaware.