Muhammad bin Kathir bin Abi 'Ata' محمد بن كثير بن أبي عطاء الثقفي · Chapters on Supplication

The Messenger of Allah (ﷺ) said: “Whoever sits in a sitting and engages in much empty, meaningless speech and then says before getting from that sitting of his: ‘Glory is to You, O Allah, and praise, I bear witness that there is none worthy of worship except You, I seek You forgiveness, and I repent to You, (Subḥānaka Allāhumma wa biḥamdika, ashhadu an lā ilāha illā anta, astaghfiruka wa atūbu ilaik)’ whatever occurred in that sitting would be forgiven to…

that whenever the Prophet (ﷺ) wanted to do a matter, he would say: “O Allah, make it good for me and choose for me. (Allāhumma khir lī wakhtar lī)”

“Allah, Blessed is He and Most High, said: ‘O son of Adam! Verily as long as you called upon Me and hoped in Me, I forgave you, despite whatever may have occurred from you, and I did not mind. O son of Adam! Were your sins to reach the clouds of the sky, then you sought forgiveness from Me, I would forgive you, and I would not mind. So son of Adam! If you came to me with sins nearly…