قَالَ لِأَنَّ النَّبِيَّ ص كَانَ يُغَلِّسُ بِهَا لِقُرْبِهَا مِنَ اللَّيْلِ‏.

It has been narrated from Ali Ibn Ahmed Ibn Mohammed Ibn Imran who from Muhammad Bin Abu Abdullah, raising it from Abdul Al-Kufi, who said, ‘I asked Al-Reza -asws about the Tawheed (Oneness). So he -asws said: ‘The one who recites [112:1] Say: He Allah is One and believes in it, so he has recognised the Tawheed (Oneness)’.

I said, ‘How should one recite it?’ He -asws said: ‘Just as the people are reciting it, and increase in it, كَذَلِكَ اللَّهُ رَبِّي كَذَلِكَ اللَّهُ رَبِّي كَذَلِكَ اللَّهُ رَبِّي ‘Like that is Allah -azwj my Lord -azwj , like that is Allah -azwj my Lord -azwj , like that is Allah -azwj my Lord -azwj ’’ ( three times ).

Ali Bin Muhammad, from Sahl Bin Ziyad, from Ahmad Bin Abdous, from Muhammad Bin Zawiya, from Abu Ali Bin Rashid who said, ‘I said to Abu Al-Hassan -asws , ‘May I be sacrificed for you -asws !