For me, one of the most fascinating aspects of language (with a lowercase
People are also sometimes intrigued by how different languages can be. As speakers of Indo-European languages we often assume that our way of doing things is the right way, or even the only way. But then you come across the Algonquian languages, where the ordering of person-marking affixes on the verb indicates not grammatical role, but simply the presence of that person in the action. The order of the affixes is fixed, and their person hierarchy combined with a large set of thematic verbal prefixes indicates which person is acting on whom. Many linguists still think every languages has nasals, because they haven't heard of Chemakum, Makah, Nitinaht, Lushootseed, or Twana (don't let the spelling fool you; pronounce all those as if you had a bad cold).
In short, I'm looking forward to six weeks of showing a group of students that not everything is like English, and that there are more languages in the world than are dreamt of in most naive conceptions of it.