Musnad Ahmad 28:114

'Abd al-Samad and 'Affan narrated to us, they said: Hammad narrated to us, from 'Ata' ibn al-Sa'ib, from his father, from 'Abdullah ibn 'Amr, that a man came and said: "O Allah, forgive me and Muhammad, and do not let anyone share in Your mercy with us." The Prophet, peace and blessings of Allah be upon him, said: "Who is the one who said it?" The man said: "I am." The Prophet, peace and blessings of Allah be upon him, said: "You have indeed restricted them [the mercy] from many people."