Astaghfirullāh (three times) Allāhumma antas-salām, wa minkas-salām, tabārakta yā dhal-Jalāli wal-'Ikrām. I seek the forgiveness of Allah (three times). O Allah, You are Peace and from You comes peace. Blessed are You, O Owner of majesty and honor. Reference: Muslim 1/414.

Thauban said that when God’s Messenger finished his prayer he asked forgiveness three times and said, “O God, Thou art Peace, and peace comes from Thee. Blessed art Thou, O Possessor of glory and honour.” Muslim transmitted it.

‘A’isha said that when God’s Messenger uttered the salutation he sat no longer than it took to say, “O God, Thou art Peace, and peace comes from Thee. Blessed art Thou, O Possessor of glory and honour.” Muslim transmitted it.

Whenever Allah's Messenger (SAW) finished his prayer, he used to say after asking Allah's forgiveness three times: "O Allah, You are as-Salam (One Free from every defect), and as-Salam (safety from every evil) is (sought) from You. Blessed are You, O Possessor of glory and honour." [Reported by Muslim].

"When Allah's Messenger said the Salam he would not remain seated except long enough to say: (Allahumma antas-salam, wa minkas-salam, tabarakta dhal jalali wal-Ikram) 'O Allah! You are the One free of defects, and perfection is from You. Blessed are You, Possessor of Majesty and Honor.'"

Whenever the Messenger of Allah (PBUH) concluded his prayer, he would beg forgiveness from Allah thrice and then would recite: "Allahumma Antas- Salamu, wa minkas-salamu, tabarakta ya Dhal-Jalali wal-Ikram (O Allah, You are the Grantor of security, and security comes from You. You are Blessing, O You Who have majesty and nobility)!" (Imam) Al-Awza'i, one of the narrators of this Hadith, was asked: "How forgiveness is to be sought?" He answered: "The Messenger of Allah (PBUH) used to say: 'Astaghfirullah! Astaghfirullah! (I beseech Allah for forgiveness, I beseech Allah for forgiveness)'."

[Muslim].

Whenever the Messenger of Allah (PBUH) finished his Salat (prayer), he would beg forgiveness three times [by saying, 'Astaghfirullah' (3 times)] and then he would say: "Allahumma Antas-Salamu, wa minkas-Salamu, tabarakta ya Dhal-Jalali wal-Ikram. (O Allah! You are the Bestower of security and security comes from You; Blessed are You. O Possessor of glory and honour)." Imam Al-Auza'i (one of the subnarrators) of this Hadith was asked: "How forgiveness should be sought?" He replied: "I say: Astaghfirullah, Astaghfirullah (I seek forgiveness from Allah. I seek forgiveness from Allah)."

[Muslim].

When the Prophet (saws) uttered taslim, he used to say: "O Allah, You are As-Salam, and from you is As-Salam. You are blessed, O One of Magnificence and Generosity."

After saying the taslim the Messenger of Allah (SAW) would say: "Allahumma anta as-salam wa minka as-salam tabarakta ya dhal-jalali wal-ikram (O Allah, You are the source of eace (or the One free from all faults) and from You comes peace, blessed are You, O Possessor of Majesty and Honor)."

When the Messenger of Allah (may peace be upon him) pronounced salutation, he salutation longer than it took him to say: O Allah: Thou art Peace, and peace comes from Thee, blessed art Thou, Possessor of Glory and ]Honour; and in the narration of Ibn Numair the words are:" O Possessor of Glory and Honour."

When he finished the prayer, the Messenger of Allah (SAW) would pray for forgiveness three times and say: 'Allahumma anta asalam, wa minka as-salam tabarakta ya dhal-jalali wal-ikram (O Allah, You are the source of eace (or the One free from all faults) and from You comes peace, blessed are You, O Possessor of Majesty and Honor)."

When the Messenger of Allah (may peace be upon him) finished his prayer. He begged forgiveness three times and said: O Allah! Thou art Peace, and peace comes from Thee; Blessed art Thou, O Possessor of Glory and Honour. Walid reported: I said to Auza'i: How is the seeking of forgiveness? He replied: You should say: I beg forgiveness from Allah, I beg forgiveness from Allah."

“When the Messenger of Allah (saw) said the Salam, he would sit only for as long as it took to say: ‘Allahumma Antas-Salam wa minkas-salam. Tabarakta ya Dhal-jalali wal- ikram. (O Allah, You are As-Salam, From You is all peace, blessed are You O Possessor of majesty and honour).’”

“Allahumma Antas-Salam wa minkas-salam tabarakta ya Dhal-jalali wal- ikram” (O Allah, You are As-Salam and from You is all peace, Blessed are You O Possessor of majesty and honour).”

Allah's Messenger said: "When Allah's Messenger wanted to turn from his Salat, he would seek forgiveness from Allah three times, then say: (Allahumma Antas-Salam, wa minkas-salam, tabarakta ya dhal-jalali wal-Ikram) 'O Allah! You are the One free of defects and perfection is from You. Blessed are You, O Possesor of Majesty and Honor.'"