٩ : ٨٦
وَإِذَآ أُنزِلَتۡ سُورَةٌ أَنۡ ءَامِنُواْ بِٱللَّهِ وَجَٰهِدُواْ مَعَ رَسُولِهِ ٱسۡتَـٔۡذَنَكَ أُوْلُواْ ٱلطَّوۡلِ مِنۡهُمۡ وَقَالُواْ ذَرۡنَا نَكُن مَّعَ ٱلۡقَٰعِدِينَ
Whenever a Chapter is sent down [saying], “Believe in Allah and fight along with His Messenger,” the affluent among them would ask you to excuse them, saying, “Let us remain with those who stay behind.”
شرح ومعانٍ · ١
- i.e., the weak, the terminally ill and the incapacitated.