Narrated Ibn 'Abbas:
The delegates of the tribe of 'Abdul-Qais came and said, "O Allah's Apostle! We are from the tribe of Rabi'a, and there is the infidels of the tribe of Mudar intervening between you and us, so we...
O Allah, to You I bow (in prayer) and in You I believe and to You I have submitted. Before You my hearing is humbled, as is my sight, my mind, my bones, my nerves and what my feet have mounted upon (for travel).
Info: Muslim 1/534, Abu Dawud, An-Nasa'i and At- Tirmidhi.