Narrated 'Ali:
said: "Al-Hasan is greater in resemblance to the Messenger of Allah (ﷺ) with regards to what is between the chest and the head, and Al-Husain is greater in resemblance to the Messenger of Allah (ﷺ) with regards to what is below that." (FR)
English reference (FR): Vol. 1, Book 46, Hadith 3779 (FR)
Arabic reference (FR): Book 49, Hadith 4148 (FR)