Musnad Ahmad — Hadith 24009/80

Narrated to us Qutaybah ibn Sa‘id, narrated to us Ibn Lahi‘ah, from al-Rabi‘ ibn Sabrah, I heard ‘Amr ibn Murrah al-Juhani say: I heard the Messenger of Allah, peace and blessings be upon him, say: "Whoever is here from Ma‘add, let him stand." So I stood, and he said: "Sit down." He did that three times; each time I stood, he said: "Sit down." When it was the third time, I said: From whom are we, O Messenger of Allah? He said: "You are a group of Quda‘ah, from Himyar." ‘Amr said: I concealed this hadith for twenty years.