Musnad Ahmad 410:2

'Abd al-Samad ibn 'Abd al-Warith narrated to us, he said: Rabi'ah ibn Kulthum narrated to us, he said: My father narrated to me, from Abu Ghadiyah al-Juhani, he said: The Messenger of Allah (peace and blessings of Allah be upon him) delivered a sermon to us on the day of al-'Aqabah and said: "O people, indeed your blood and your wealth are sacred to you until you meet your Lord, like the sanctity of this day of yours, in this land of yours, in this month of yours. Have I not conveyed?" They said: "Yes." He said: "O Allah, have I conveyed?"