Dont judge by appearance

Two employers were talking. Said one: I fear that young man I employed last week as a cashier is dishonest.
Oh,replied the other, you shouldn't judge by appearances.
I'm not. I'm judging by disappearances!

Choose between brain and money

Teacher: Class choose between money n brain?
Student: I'd go for the money!
Teacher: I'd go for brain!
Student: Well, eveybody goes for what he doesn't have!

wrong class