Musnad Ahmad 32:1418

Hashim narrated to us, al-Mubarak narrated to us, from al-Hasan, from Anas ibn Malik, who said: I was with the Prophet, may Allah bless him and grant him peace, in his house, and a man asked him: "When is the Hour, O Messenger of Allah?" He said: "As for it, it is surely coming. So what have you prepared for it?" He said: "By Allah, I have not prepared much work for it, except that I love Allah and His Messenger." He said: "Then you are with whom you love, and you shall have what you have anticipated."