Trials and tribulations of teaching

I often wonder what people are thinking: is it "all for one and one for all" or is is it "what can I do to get ahead to poor sod next to me?" I teach Enghlish Reading/Writing at a university in Seoul, Korea. Many of my students have apparently found this site and decided to use the information here for their work which is handed in to me. Now, I know how well they write, and one might think that if one handed in a...