[Machine] Muslim ibn Ziyad, the servant of Maymuna, the wife of the Prophet (PBUH), narrated to me that he heard Anas ibn Malik say, "The Messenger of Allah (PBUH) said, 'Whoever says in the morning, 'O Allah, I testify that You are Allah, and I testify to the bearers of Your Throne, Your angels, and all Your creation that there is no deity worthy of worship except You, alone, without any partners, and that Muhammad is Your servant and Messenger,' Allah will free one-quarter of him from the Hellfire on that day. And if he says it four times, Allah will free him from the Hellfire on that day.' Umar ibn al-Khattab and Kathir ibn Ubayd differed regarding the wording of the hadith."  

حَدَّثَنِي مُسْلِمُ بْنُ زِيَادٍ مَوْلَى مَيْمُونَةَ زَوْجِ النَّبِيِّ ﷺ قَالَ سَمِعْتُ أَنَسَ بْنَ مَالِكٍ يَقُولُ قَالَ رَسُولُ اللهِ ﷺ مَنْ قَالَ حِينَ يُصْبِحُ اللهُمَّ إِنِّي أُشْهِدُكَ وَأُشْهِدُ حَمَلَةَ عَرْشِكَ وَمَلَائِكَتَكَ وَجَمِيعَ خَلْقِكَ إِنَّكَ أَنْتَ اللهُ لَا إِلَهَ إِلَّا أَنْتَ وَحْدَكَ لَا شَرِيكَ لَكَ وَأَنَّ مُحَمَّدًا عَبْدُكَ وَرَسُولُكَ أَعْتَقَ اللهُ رُبُعَهُ ذَلِكَ الْيَوْمَ مِنَ النَّارِ فَإِنْ قَالَهَا أَرْبَعَ مَرَّاتٍ أَعْتَقَهُ اللهُ ذَلِكَ الْيَوْمَ مِنَ النَّارِ خَالَفَهُ عَمْرُو بْنُ عُثْمَانَ وَكَثِيرُ بْنُ عُبَيْدٍ فِي لَفْظِ الْحَدِيثِ  

The Prophet ﷺ said: If anyone says in the morning: "O Allah! in the morning we call Thee, the bearers of Thy Throne, Thy angels, and all Thy creatures to witness that Thou art Allah than Whom there is no god, Thou being alone and without a partner, and that Muhammad is Thy servant and Thy Apostle," Allah will forgive him any sins that he commits that day; and if he repeats them in the evening. Allah will forgive him any sins he commits that night. (Using translation from Abū Dāʾūd 5078)   

قَالَ رَسُولُ اللهِ ﷺ مَنْ قَالَ حِينَ يُصْبِحُ اللهُمَّ إِنِّي أُشْهِدُكَ وَأُشْهِدُ حَمَلَةَ عَرْشِكَ وَمَلَائِكَتَكَ وَجَمِيعَ خَلْقِكَ بِأَنَّكَ أَنْتَ اللهُ لَا إِلَهَ إِلَّا أَنْتَ وَحْدَكَ لَا شَرِيكَ لَكَ وَأَنَّ مُحَمَّدًا عَبْدُكَ وَرَسُولُكَ إِلَّا غَفَرَ اللهُ لَهُ مَا أَصَابَ مِنْ ذَنْبٍ وَإنْ هُوَ قَالَهَا حِينَ يُمْسِي غَفَرَ اللهُ لَهُ مَا أَصَابَهُ يَعْنِي تِلْكَ اللَّيْلَةَ