Abu Dharr (May Allah be pleased with him) reported:
The Messenger of Allah (ﷺ) said to me, "Shall I tell you the expression that is most loved by Allah?" It is 'Subhan-Allahi wa bihamdihi' (Allah is free from imperfection and His is the praise)'."[Muslim]. (FR)
App reference (FR): Book 16, Hadith 5 (FR)
Arabic/English book reference (FR): Book 16, Hadith 1412 (FR)