Ellen: Oh, you're lovely, Miss Cathy. Lovely. 
Cathy: That's a very silly lie. I'm not lovely. What I am is very brilliant. I have a wonderful brain. 
Ellen: Indeed. 
Cathy: It enables me to be superior to myself. There's nothing to be gained by just looking pretty like Isabella. Every beauty mark must conceal a thought and every curl be full of humor as well as brilliantine. 

Wuthering Heights