"In five millennia, the Mandalorians fought with and against a thousand armies on a thousand worlds. They learned to speak as many languages and absorbed weapons technology and tactics from every war. And yet, despite the overwhelming influence of alien cultures, and the absence of a true home world and even species, their own language not only survived but changed little; their way of life and their philosophy remained untouched; and their ideals and sense of family, of identity of nation, were only strengthened. Armor is not what makes a Mandalorian. Armor is simply a manifestation of an impenetrable, unassaliable heart. "
— Passage from "Mandalorians: Identity and Language"
The last two sentences sums up how I feel on the subject.