The Prophet ﷺ led us in a prayer and then got up on the pulpit and said, "In your prayer and bowing, I certainly see you from my back as I see you (while looking at you.)"
صَلَّى بِنَا النَّبِيُّ ﷺ صَلاَةً ثُمَّ رَقِيَ الْمِنْبَرَ فَقَالَ فِي الصَّلاَةِ وَفِي الرُّكُوعِ إِنِّي لأَرَاكُمْ مِنْ وَرَائِي كَمَا أَرَاكُمْ