Homer: Lisa, why didn't you warn me? Being a brain has alienated me from all of my friends.

Lisa: Dad, as intelligence goes up, happiness often goes down. In fact I made a graph. I make a lot of graphs.

Homer: Well what gets you through the day?

Lisa: Oh, many things. Tai Chi, Chai Tea.

(Nice: I went to Google to find this quote and found it on a Blogger blog.)