Question: 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?
Answer: A book.
Question: My thickness is no more than a few centimeters, yet my depth can span to infinity. Although mundane, I intimidate most animals. When in my presence, you will inevitably follow me. What am I?
Answer: I'm a mirror.