1711 – ʿAbd Allah narrated to us; he said, ʿUbayd Allah ibn ʿUmar narrated to me; he said, Muʿtamir ibn Sulayman narrated to us; he said, ʿAli ibn Abi Zaydah narrated to us; he said: ʿUmar ibn ʿAbd al-ʿAziz delivered a sermon to us at Khunasirah and said, “Know that true worship consists in performing the obligatory duties and abstaining from the forbidden matters.”