Hadith 669:6
Yazid narrated to us, he said: Isma'il ibn Abi Khalid informed us, he said: I heard Abu Juhayfah say: "I saw the Messenger of Allah, may Allah bless him and grant him peace, and the person who most resembled him was Al-Hasan ibn Ali."
حدثنا يزيد، قال: أخبرنا إسماعيل بن أبي خالد، قال: سمعت أبا جحيفة قال: " رأيت رسول الله صلى الله عليه وسلم وكان أشبه الناس به الحسن بن علي "