Muqatil bin Hayyan said that this Ayah was revealed about the voluntary charity. The Ayah means, `They ask you (O Muhammad) how they should spend,' as Ibn `Abbas and Mujahid have stated. So, Allah explained it for them, saying:
﴿ قُلۡ مَآ أَنفَقۡتُم مِّنۡ خَيۡرٍ۬ فَلِلۡوَٲلِدَيۡنِ وَٱلۡأَقۡرَبِينَ وَٱلۡيَتَـٰمَىٰ وَٱلۡمَسَـٰكِينِ وَٱبۡنِ ٱلسَّبِيلِۗ ﴾
(Say: "Whatever you spend of good must be for parents and kindred and orphans and Al-Masakin and the wayfarer,'') meaning, spend it on these categories or areas. Similarly, a Hadith states (that those who deserve one's generosity the most, are):
« أُمَّكَ وَأَبَاكَ وَأُخْتَكَ وَأَخَاكَ ثُمَّ أَدْنَاكَ أَدْنَاك »
(Your mother, father, sister, brother, the closest and then the farthest (relatives).)
Maymun bin Mihran once recited this Ayah (2:215) and commented, "These are the areas of spending. Allah did not mention among them the drums, pipe, wooden pictures, or the curtains that cover the walls.''
﴿ وَمَا تَفۡعَلُواْ مِنۡ خَيۡرٍ۬ فَإِنَّ ٱللَّهَ بِهِۦ عَلِيمٌ۬ ﴾
(...and whatever you do of good deeds, truly, Allah knows it well.) meaning, whatever you perform of good works, Allah knows them and He will reward you for them in the best manner, no one will be dealt with unjustly, even the weight of an atom.
﴿ كُتِبَ عَلَيۡڪُمُ ٱلۡقِتَالُ وَهُوَ كُرۡهٌ۬ لَّكُمۡۖ وَعَسَىٰٓ أَن تَكۡرَهُواْ شَيۡـًٔ۬ا وَهُوَ خَيۡرٌ۬ لَّڪُمۡۖ وَعَسَىٰٓ أَن تُحِبُّواْ شَيۡـًٔ۬ا وَهُوَ شَرٌّ۬ لَّكُمۡۗ وَٱللَّهُ يَعۡلَمُ وَأَنتُمۡ لَا تَعۡلَمُونَ ﴾
(216. Fighting is ordained for you (Muslims) though you dislike it, and it may be that you dislike a thing which is good for you and that you like a thing which is bad for you. Allah knows but you do not know.)
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