After all, you're not exactly a nation like all the other nations. You are unique, if only because you are such an ancient people, and because of the way you are spread all over the world and your obvious success in many fields.

This quote is saying that the nation it is referring to has qualities that make it unique, especially compared to other nations. This nation is special because it is very old and has people living all around the world. Additionally, this nation has been successful in many different fields.