(65) باب فَضْلِ التَّسْبِيحِ
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "Whoever says, 'Subhan Allah wa bihamdihi,' one hundred times a day, will be forgiven all his sins even if they were as much as the foam of the sea.
Reference: Sahih al-Bukhari 6405
In-book reference: Book 80, Hadith 100
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 75, Hadith 414