Al-A'raf
الٓمٓصٓ
Alif, Lam, Mim, Sad (These are the names of letters of the Arabic alphabet and only Allah knows their meaning here).
كِتَٰبٌ أُنزِلَ إِلَيۡكَ فَلَا يَكُن فِي صَدۡرِكَ حَرَجٞ مِّنۡهُ لِتُنذِرَ بِهِۦ وَذِكۡرَىٰ لِلۡمُؤۡمِنِينَ
A Book sent down to you, (i.e., The prophet) so let there be no restriction in your breast on account of it, that you may warn thereby; and (it is) a Reminding for the believers.
ٱتَّبِعُواْ مَآ أُنزِلَ إِلَيۡكُم مِّن رَّبِّكُمۡ وَلَا تَتَّبِعُواْ مِن دُونِهِۦٓ أَوۡلِيَآءَۗ قَلِيلٗا مَّا تَذَكَّرُونَ
Closely follow what has been sent down to you (i.e. the believers) from your Lord, and do not ever follow patrons apart from Him; little are you mindful!
وَكَم مِّن قَرۡيَةٍ أَهۡلَكۡنَٰهَا فَجَآءَهَا بَأۡسُنَا بَيَٰتًا أَوۡ هُمۡ قَآئِلُونَ
And how many a town We have caused to perish, so Our violence came to it at night (in their homes), or while halting (at midday).
فَمَا كَانَ دَعۡوَىٰهُمۡ إِذۡ جَآءَهُم بَأۡسُنَآ إِلَّآ أَن قَالُوٓاْ إِنَّا كُنَّا ظَٰلِمِينَ
So, in no way did they have a plea as Our violence came to them, except that they said, "Surely we were unjust."