كتاب الصلاة
2  
The Book of Prayer
Bulugh al-Maram 202
al-Baihaqi has reported a similar narration from the saying of 'Ali (RA).
وَلِلْبَيْهَقِيِّ نَحْوُهُ : عَنْ عَلِيٍّ مِنْ قَوْلِهِ 1‏ .‏
Reference : Bulugh al-Maram 202
In-book reference : Book 2, Hadith 202
English translation : Book 2, Hadith 202
Hadith Text
Reference