The Messenger of Allah ﷺ said, "Whoever says 'Glory be to Allah and praise be to Him' a hundred times in a day will have his sins wiped away, even if they are like the foam of the sea."
أن رسول الله ﷺ قال: من قال سبحان الله وبحمده في يوم مائة مرة حطت عنه خطاياه وإن كانت مثل زبد البحر.
Malik reported it in the Book of the Quran (21), from Sumayy, the freed slave of Abu Bakr, from Abu Salih Samman, from Abu Hurairah, and he mentioned it.Bukhari reported it in the Book of Supplications (6405), and Muslim in the Book of Remembrance and Supplication (2691), both of them through the route of Malik, with the same chain.