Surah An-Nasr 110:3

فَسَبِّحْ بِحَمْدِ رَبِّكَ وَٱسْتَغْفِرْهُ ۚ إِنَّهُۥ كَانَ تَوَّابًۢا

Then exalt [Him] with praise of your Lord and ask forgiveness of Him. Indeed, He is ever Accepting of Repentance.

Translation: Saheeh International

Tafsir

then glorify with praise of your Lord that is continuously praising Him and seek forgiveness from Him; for verily He is ever ready to relent. The Prophet s after this sūra had been revealed would frequently repeat the words subhāna’Llāhi wa bi-hamdihi ‘Glory and praise be to God’ and astaghfiru’Llāha wa-atūbu ilayhi …

Excerpt from Tafsir al-Jalalayn, commentary on 110:3, via Quran.com. The reader has the full commentary and 9 more tafsirs.