Sunan Ibn Majah, Chapter: The Chapters on Marriage

"The Messenger of Allah (saw) was granted a combination of all manner of goodness, as well as its seal," or he said: "The opening (of the way to) all good. He taught us the Khutbah of prayer and Khutbah of need. 'The Khutbah of prayer is: At-tahiyyatu lillahi was-salawatu wat-tayyibat. As-salamu alaika ayyuhan-Nabiyyu was rahmat-ullahi was barakatuhu. As-salamu alaina wa 'ala ibadillahis-salihin. Ashhadu an la ilaha illallah. Wa ashhadu anna an la ilalha illallah. Was ashhadu anna Muhammadan abduhu wa rasuluh (All compliments, prayers and pure words are due to Allah. Peace be upon you, O Prophet (saw), and the mercy of Allah and His blessings. Peace be upon us and upon the righteous slaves of Allah. I bear witness that none has the right to be worshipped but Allah. I bear witness'"