Answer) In order to understand Dalalah An Nass the verse “Say not to them(so much as), “uff,”and do not repel them but speak to them a noble word”. So for as this verse is concerned the textual meaning says that To Say uff and repelling them” are both haram but at the same time it is maintains, to hurt them in any way is also haram as “uff” and “repelling” both are pointing out the same meaning. This is daleel behind this hokum is called Dalalah-an-Nass.