Ahmed bin 'Ubda bin Musa أحمد بن عبدة بن موسى · Chapters on Supplication

“The Messenger of Allah said: ‘There are two characteristics over which a Muslim man does not guard, except that he enters Paradise. And indeed, they are easy, and those who act upon them are few: He glorifies Allah at the end of every prayer ten times (saying Subḥān Allāh) and praises Him ten times saying (Al-Ḥamdulillāh) and extols His greatness ten times (saying Allāhu Akbar).’”He said: “And I have seen the Messenger of Allah counting them with his hand. He…

“In one sitting of the Messenger of Allah (ﷺ), one could count that he said a hundred time, before he would get up: ‘O my Lord, forgive me, and accept my repentance. Verily, You are the Oft-Returning, the Most Forgiving (Rabbighfirlī watub `alayya innaka antat-Tawwābul-Ghafūr).’”

from his father, from his grandfather Talhah bin `Ubaidullah that when the Prophet (ﷺ) would see a crescent moon, he would say: “O Allah, bring it over us with blessing and faith, and security and Islam. My Lord and your Lord is Allah (Allāhumma ahlilhu `alainā bil-yumni wal-Īmān, was-salāmati wal-Islām, rabbī wa rabbuk Allāh).”