لَّيْسَ عَلَى الضُّعَفَاء وَلاَ عَلَى الْمَرْضَى وَلاَ عَلَى الَّذِينَ لاَ يَجِدُونَ مَا يُنفِقُونَ حَرَجٌ إِذَا نَصَحُواْ لِلّهِ وَرَسُولِهِ مَا عَلَى الْمُحْسِنِينَ مِن سَبِيلٍ وَاللّهُ غَفُورٌ رَّحِيمٌ

91. There is no blame on those too weak to go forth to war, and the sick, and on those who cannot find the means (with which to equip and maintain themselves if they go forth), provided that they are true to God and His Messenger. There can be no way (of blame) against those who are devoted to doing good, aware that God is seeing them. God is All-Forgiving, All-Compassionate.