5-23 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Sa’ed ibn Abdullah quoted Al-Qasim ibn Muhammad al-Isfahani, on the authority of Suleiman ibn Davood al-Minqari, on the authority of Hammad ibn Isa, on the authority of Aba Abdullah as-Sadiq (MGB), “In fact, the Honorable the Exalted God has made it incumbent upon you to pray five times at the noblest times. I advise you to say supplications after you say your prayers.”