وَلَو أَرادُوا الخُروجَ لَأَعَدّوا لَهُ عُدَّةً وَلـٰكِن كَرِهَ اللَّهُ انبِعاثَهُم فَثَبَّطَهُم وَقيلَ اقعُدوا مَعَ القاعِدينَ

And if they had intended to go forth, they would have prepared for it [some] preparation. But Allah disliked their being sent, so He kept them back, and they were told, "Remain [behind] with those who remain."