Musnad Ahmad 257:0

Narrated to us by Muhammad ibn Ja’far, who said: Narrated to us by Shu’bah, from Muhammad ibn Ziyad, who said: I heard Abu Hurairah say: The Prophet (ﷺ) said: "The Hour will not be established until a man passes by the grave of another man and says: 'Would that I were in his place.'" Narrated to us by Yahya ibn Sa’id, from Shu’bah, from Muhammad ibn Ziyad, who said: I heard Abu Hurairah say: The Messenger of Allah (ﷺ) said: "The Hour will not be established until a man passes by the grave of another man and says: 'Would that I were in his place.'"