Al Baqarah Ayah 55
وَإِذْ قُلْتُمْ يَـٰمُوسَىٰ لَن نُّؤْمِنَ لَكَ حَتَّىٰ نَرَى ٱللَّهَ جَهْرَةً فَأَخَذَتْكُمُ ٱلصَّـٰعِقَةُ وَأَنتُمْ تَنظُرُونَ ٥٥
And ?remember? when you said, “O Moses! We will never believe you until we see Allah with our own eyes,” so a thunderbolt struck you while you were looking on.