( أَوْ تَقُولُوا لَوْ أَنَّا أُنزِلَ عَلَيْنَا الْكِتَابُ لَكُنَّا أَهْدَىٰ مِنْهُمْ) (Or lest you say, “If only the Scripture had been revealed to us, we would have been better guided than they.”): So that they do not claim that had they received the Torah, they would have been better than the Jews.

( فَقَدْ جَاءَكُم بَيِّنَةٌ مِّن رَّبِّكُمْ) (So there has [now] come to you a clear evidence from your Lord): The clear evidence is the Holy Quran.

( وَهُدًى وَرَحْمَةٌ) (and a guidance and mercy): Guidance is a path leading to the end-goal. This is why it bears mercy and guidance for humanity.

( فَمَنْ أَظْلَمُ مِمَّن كَذَّبَ بِآيَاتِ اللَّهِ) (Then who is more unjust than one who denies the verses of Allah): It is so much worse to inflict injustice upon one’s self than to inflict it on others.

( وَصَدَفَ عَنْهَا) (and turns away from them): Turns away and rejects them.

( سَنَجْزِي الَّذِينَ يَصْدِفُونَ عَنْ آيَاتِنَا) (We will recompense those who turn away from Our verses): Not only did they turn away from it, but they were also turning others away from it.

( سُوءَ الْعَذَابِ بِمَا كَانُوا يَصْدِفُونَ) (with the worst of punishment for their having turned away): They will be punished severely for what they did in turning themselves and others away from Allah (swt), His Book, and what was sent to the Prophet (saws).