Musnad Ahmad 33:378

Abu al-Nadr narrated to us, al-Mubarak narrated to us, al-Hasan narrated to us, from Jabir ibn Abdullah, that the Messenger of Allah, peace and blessings of Allah be upon him, was asked about the Hour a month before he died. He said: "You ask me about the Hour, and its knowledge is only with Allah. By the One in Whose hand is my soul, there is no living soul today upon whom one hundred years will come."