[Machine] Narrated from the Prophet ﷺ : When he began the prayer and mentioned supplications, and He said in it, and when he bowed he said, "O Allah, I bow to You, and in You I believe, and to You I submit. My hearing, sight, and bones humble to You. I think he said, "My mind and nerves".
عَنِ النَّبِيِّ ﷺ قَالَ كَانَ إِذَا افْتَتَحَ الصَّلَاةَ وَذَكَرَ الْحَدِيثَ وَقَالَ فِيهِ وَإِذَا رَكَعَ قَالَ اللهُمَّ لَكَ رَكَعْتُ وَبِكَ آمَنْتُ وَلَكَ أَسْلَمْتُ خَشَعَ لَكَ سَمْعِي وَبَصَرِي وَعِظَامِي أَظُنُّهُ قَالَ وَمُخِّي وَعَصَبِي