(7) بَابُ عُقُوقِ الْوَالِدَيْنِ
Abu Bakra reported that the Messenger of Allah, may Allah bless him andgrant him peace, said, "Shall I tell you which is the worst of the majorwrong actions?" "Yes, Messenger of Allah," they replied. He said, "Associatingsomething else with Allah and disobeying parents." He had been recliningbut then he sat up and said, "and false witness." Abu Bakra said, "He continuedto repeat it until I said, 'Is he never going to stop?'"
Reference: Al-Adab Al-Mufrad 15
In-book reference: Book 1, Hadith 15
English translation: Book 1, Hadith 15