Az-Zumar • BN-TAFSEER-IBN-E-KASEER
﴿ وَمَن يَهْدِ ٱللَّهُ فَمَا لَهُۥ مِن مُّضِلٍّ ۗ أَلَيْسَ ٱللَّهُ بِعَزِيزٍۢ ذِى ٱنتِقَامٍۢ ﴾
“whereas he whom God guides aright can never be led astray. Is not God almighty, an avenger of evil?”
Please check ayah 39:40 for complete tafsir.