Hadith 17:348
Abdullah ibn Idris narrated to us, from Ubaydullah ibn Umar, from Nafi’, from Ibn Umar: That he used to strike his child for grammatical errors (al-lahn).
حدثنا عبد الله بن إدريس عن عبيد الله بن عمر عن نافع عن بن عمر أنه كان يضرب ولده على اللحن