There is no deity except Allah, (He is) the Magnificent, the Forbearing. There is no deity except Allah, (who is) the Lord of the Mighty Throne. There is no deity except Allah, (who is) the Lord of the heavens and the Lord of the earth and the Lord of the Noble Throne.
O Allah! It is Your mercy alone that I hope for, so do not leave me to myself even for the blink of an eye, and set right all my affairs for me. There is no deity except You.
Hasan, Sunan Abi Dawud, no. (5090), the wording is his, Musnad Ahmad (5/42), Sahih Ibn Hibban, no. (970), and al-Albani graded it Hasan in “Takhrij al-Kalim at-Tayyib” (page 118).
Ja'far bin Maymun is a narrator who is hasan in hadith, so it is not correct to call this hadith weak because of him. For details see: Anwar an-Nasihah (d/5090).
Sahih, Sunan at-Tirmidhi (3505), al-Mustadrak of al-Hakim (1/505), and al-Albani graded it Sahih in “Takhrij al-Kalim at-Tayyib” no. (123) and in “as-Sahihah” no. (1744).