One of the most powerful Duas (Supplications) that are easy to recite
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."
(Sahih al-Bukhari 6405, Book 80, Hadith 100)