2. Muhammad ibn ’Isma‘il has narrated from al-Fadl ibn Shadhan from Ibn Abi ‘Umayr from Jamil ibn Darraj from Muhammad ibn Muslim who has said the following: “Abu ‘Abd Allah , has said, ‘If you cannot join in Takbir (Allah is great beyond description) for Ruku‘ (bowing down on one’s knees) do not enter (congregational Salah (prayer)) in that Rak‘at.’”