Surah Luqman Tafseer

وَمَن كَفَرَ فَلَ يَحْزُنكَ كُفْرُهُ

And whoever disbelieves, let not his disbelief grieve you.

means, `do not grieve over them, O Muhammad, because they disbelieve in Allah and in the Message you have brought, for their return will be to Allah and He will tell them what they used to do,' i.e., He will punish them for it.

إِلَيْنَا مَرْجِعُهُمْ فَنُنَبِّيُهُم بِمَا عَمِلُوا

To Us is their return, and We shall inform them what they have done.

إِنَّ اللَّهَ عَلِيمٌ بِذَاتِ الصُّدُورِ

Verily, Allah is the All-Knower of what is in the breasts.

and nothing whatsoever is hidden from Him.

Then Allah says