Musnad Ahmad 32:1281

'Abd al-Samad narrated to us, 'Imran al-Qattan narrated to us, al-Hasan narrated to us, from Anas, that a Bedouin asked the Messenger of Allah, peace and blessings of Allah be upon him, about the establishment of the Hour. The Prophet, peace and blessings of Allah be upon him, said to him: "What have you prepared for it?" He said: "Nothing, except that I love Allah and His Messenger." He said: "A person is with whom he loves." Then he said: "Where is the one who asked about the Hour?" He said: And there was a young boy there. He said: "If this one lives, he will not reach old age until the Hour is established."