Yā-Sīn - 6

﴿لِتُنْذِرَ قَوْمًا مَا أُنْذِرَ آبَاؤُهُمْ فَهُمْ غَافِلُونَ﴾

---

(6) That you may warn a people whose forefathers were not warned, so they are unaware.