Az-Zumar • BN-TAFSEER-IBN-E-KASEER
﴿ قُلِ ٱللَّهَ أَعْبُدُ مُخْلِصًۭا لَّهُۥ دِينِى ﴾
“Say: “God alone do I worship, sincere in my faith in Him alone -”
Please check ayah 39:16 for complete tafsir.