the believers used to say why is a surah not revealed? but when a definitive surah was revealed wherein fighting was mentioned you saw that those in whose hearts there was a sickness looked at you as though they were about to faint at the approach of death. pity on them!
ويقول الذين آمنوا لولا نزلت سورة فإذا أنزلت سورة محكمة وذكر فيها القتال رأيت الذين في قلوبهم مرض ينظرون إليك نظر المغشي عليه من الموت فأولى لهم