Narrated Al-Bara bin 'Azib:
"I saw the Prophet (ﷺ) placing Al-Hasan bin 'Ali upon his shoulder while saying: 'O Allah, I love him, so love him.'" (FR)
English reference (FR): Vol. 1, Book 46, Hadith 3783 (FR)
Arabic reference (FR): Book 49, Hadith 4152 (FR)