In order to be interesting, you need to be have something to talk about. In order to be refined and well spoken, you need to know what you're talking about, and understand your subject in depth. Many of the greatest men in history were also avid readers, This is not a coincidence.

Assignment: Read a book this week (on any topic). Then, read two in the following two weeks. From now on, you should endeavor to read at least two books a month, ideally four or five.