Sahih Muslim — The Book of Clothes and Adornment — Hadith No: 5407

Abu Bakr reported that he said to Allah's Messenger (ﷺ):Teach me a supplication which I should recite in my prayer. Thereupon he (the Holy Prophet) said: Recite:" O Allah, I have done great wrong to myself." According to Qutaiba (the words were: ) much (wrong) -there is none to forgive the sins but Thou only, say:" Grant me pardon from Thyself, have mercy upon me for Thou art much Forgiving and Compassionate

Abdullah b. 'Umar commanded a person that as he went to bed, he should say:" O Allah, Thou created my being and it is for Thee to take it to its ultimate goal. And its death and life is due to Thee, and if Thou givest it life, safeguard it; and if Thou bringst death, grant it pardon. O Allah, I beg of Thee safety." A person said to him: Did you hear it from Umar? Thereupon he said: (I have heard from one) who is better than Umar, viz. from Allah's Messenger (ﷺ). Ibn Nafi, reported this on the authority of Abdullah b. Harith but he did not make mention of this" that he heard it himself

A'isha reported that Allah's Messenger (ﷺ) used to make these supplications:" O Allah, I seek refuge in Thee from the trial of Hell-Fire; and from the torment of Hell-Fire; and from the trial of the grave and torment of the grave; and from the evil of the trial of the affluence and from the evil of the trial of poverty and I seek refuge in Thee from the evil of the turmoil of the Dajjal. O Allah, wash away my sins with snow and hail water, purify my heart from the sins as is purified the white garment from the dirt, and keep away at a distance the sins from me as yawns the distance between the East and the West; O Allah, I seek refuge in Thee from sloth, from senility, from sin, and from debt

Abu Huraira reported that Fatima (the daughter of the Holy Prophet) came to Allah's Apostle (ﷺ) and asked for a servant. He said to her:Say:" O Allah, the Lord of the seven heavens" ; the rest of the hadith is the same