Musnad Abu Ya'la al-Mawsili 108:107

Ibn Numayr narrated to us, my father narrated to us, al-Rabi’ ibn Sa’d al-Ju’fi narrated to us, from ‘Abd al-Rahman ibn Sabit, from Jabir, who said: "Whoever is pleased to look at a man from the people of Paradise, let him look at al-Husayn ibn ‘Ali, for I heard the Messenger of Allah, may Allah bless him and grant him peace, saying it."