فَإِن رَّجَعَكَ ٱللَّهُ إِلَىٰ طَآئِفَةٖ مِّنۡهُمۡ فَٱسۡتَـٔۡذَنُوكَ لِلۡخُرُوجِ فَقُل لَّن تَخۡرُجُواْ مَعِيَ أَبَدٗا وَلَن تُقَٰتِلُواْ مَعِيَ عَدُوًّاۖ إِنَّكُمۡ رَضِيتُم بِٱلۡقُعُودِ أَوَّلَ مَرَّةٖ فَٱقۡعُدُواْ مَعَ ٱلۡخَٰلِفِينَ

Fa ir raja'akal laahu ilaa taaa'ifatim minhum fastaaa zanooka lilkhurooji faqul lan takhrujoo ma'iya abadanw wa lan tuqaatiloo ma'iya 'aduwwan innakum radeetum bilqu'oodi awwala marratin faq'udoo ma'al khaalifeen

If, then, Allah bring thee back to any of them, and they ask thy permission to come out (with thee), say: "Never shall ye come out with me, nor fight an enemy with me: for ye preferred to sit inactive on the first occasion: Then sit ye (now) with those who lag behind."

— At-Taubah (ٱلتَّوْبَة), 9:83