It wasnarrated from Abu Hurairah that the Prophet (ﷺ) said:
"Allahrejoiced more over the repentance of anyone of you, then you rejoiceover your lost animal when you find it." (IT)
English reference (IT): Vol. 5, Book 37, Hadith 4247 (IT)
Arabic reference (IT): Book 37, Hadith 4388 (IT)