I prayed by the side of the Messenger of Allah (ﷺ) in the supererogatory prayer and I heard him say: "I refuge in Allah from the Hell-Fire; woe to the inmates of the Hell-fire!"
Sunan Abi Dawud Book 2, Hadith 491
← Previous Hadith The Messenger of Allah (ﷺ) used to make supplication during the prayer saying: "O Allah, I seek refuge in Thee from the punishment of the grave; I seek refuge in Thee from the trial of the Antichrist; I seek refuge in Thee from the trial of life and the trial of death; O Allah, I seek refuge in Thee from sin and debt." Someone said to him: How often you seek refuge from debt! He replied: When a man is in debt, he talks and tells lies, makes promises and breaks them.

Sunan Abi Dawud Book 2, Hadith 490 Next Hadith → Abu Hurairah said; The Messenger of Allah (May peace be upon him) got up for the prayer and we also stood up along with him. A Bedouin said said during prayer; O Allah, show mercy to me and to Muhammed and do not show mercy to anyone along with us. When the Messenger of Allah (May peace be upon him) uttered the salutation, he said to the Bedouin; you narrowed down a vast (thing). By this he meant the mercy of Allah.

Sunan Abi Dawud Book 2, Hadith 492