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There is much confusion on celebrating Milad-un-Nabi,i have a question posted here (but it doesn't say much).While some say if you don't celebrate it (like lightning up house,masjids or don't take participation in it), your lost. You don't have love for prophet Muhammad (pbuh).Some say its own belief weather to celebrate it or not. All the festive going on in Masjid, the possessions going on to decorate building with lights etc. What does Quran, Hadith or sahaba says about it. I know there is a lot of logic answer, but it would be good if i can have a reference about it.