Quran 36:66 from Surah Yaseen on Divine Marvels.
وَلَوۡ نَشَآءُ لَطَمَسۡنَا عَلَىٰٓ أَعۡيُنِهِمۡ فَٱسۡتَبَقُواْ ٱلصِّرَٰطَ فَأَنَّىٰ يُبۡصِرُونَ
English translation: And if We willed We (would have) surely obliterated [over] their eyes then they (would) race (to find) the path then how (could) they see
Transliteration: walaw nashau latamasna ala a'yunihim fa-is'tabaqu al-sirata fa-anna yub'siruna