Dua 255 ☆
Whenever something happened that pleased him or made him happy , the Prophet if! used to prostrate himself in thanks to Allah, the Blessed, the All-Mighty.
Reference: Abu Dawud, Ibn Majah, At-Tirmithi. See also Al-Albani, Sahih Ibn Majah 1/233, and 'Irwa'ul-Ghalil 2/226.