Hadith 44566

وَعَنِ الْبُخَارِيِّ تَعْلِيقًا قَالَ: يَقْرَأُ الْحَسَنُ عَلَى الطِّفْلِ فَاتِحَةَ الْكِتَابِ وَيَقُولُ: اللَّهُمَّ اجْعَلْهُ لَنَا سلفا وفرطا وذخرا وَأَجرا

Bukhari said without a complete isnad that al-Hasan (i.e. al-Hasan al-Basri (21-110. A.H )) recited Fatihat al-Kitab over an infant and said, “O God, make him for us a righteous deed which has gone before us, a recompense gone ahead, a treasure and a reward.”

Source: Mishkat al-Masabih — repository translation · Al-Khatib Al-Tabrizi — authenticity/grade metadata requires independent source review · Sunnah.com
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Source: Mishkat al-Masabih — repository arabic · Al-Khatib Al-Tabrizi · Sunnah.com