5. Ali ibn Ibrahim has narrated from Muhammad ibn ‘Isa ibn ‘Ubayd from Yunus from Jamil who has said the following: “Once I asked Abu ‘Abdillah about the words of Allah, the Majestic, the Glorious, ‘It is He who has sent serenity (al-Sakinah) into the hearts of the believers.’ (48:4) The Imam said, ‘It (serenity) is belief.’ 1 then asked about, ‘ . . . and supported them with a spirit from Him. . . .’ (58:22) The Imam said, ‘It (spirit) is belief.’ I asked him about the words of Allah, ‘He made them to accompany piousness. . . .’ (48:26) The Imam said, ‘It (piousness) is belief.’”