(169) بَابُ رَحْمَةِ الصَّغِيرِ
'Amr ibn Shu'ayb reported from his grandfather that the Messengerof Allah, may Allah bless him and grant him peace, said, "Anyone who doesnot show mercy to our children nor acknowledge the right of our old peopleis not one of us."
Reference: Al-Adab Al-Mufrad 363
In-book reference: Book 19, Hadith 2
English translation: Book 19, Hadith 363