Milk is good for the bones
Three logicians went to bar for having a drink. The bar person asks the logicians "Do they all want to have scotch?". The first logician replied, " I dont know". The second logician replied, " I dont know".
What is the reply of the last logician?
People look at me all the time. I have a large vocabulary. I can teach people a lot of new things. I can be mysterious, funny, adventurous, romantic, scary, and sad. I tell stories. I can take people to other worlds. What am I?