Penny: [going through a box to find Sheldon's USB] Okay, I've got a box, but there's no key in here. Just letters.
Sheldon: [edgy] That's the wrong box. Put it back.
Penny: Oh, Sheldon, are these letters from your grandmother?
Sheldon: Don't read those letters!
Penny: Oh look! She calls you Moon Pie! That is so cute!
Sheldon: PUT DOWN THE LETTERS!
Sheldon: [edgy] That's the wrong box. Put it back.
Penny: Oh, Sheldon, are these letters from your grandmother?
Sheldon: Don't read those letters!
Penny: Oh look! She calls you Moon Pie! That is so cute!
Sheldon: PUT DOWN THE LETTERS!
Penny : [going through a box to find Sheldon's USB] Okay, I've got a box, but there's no key in here. Just letters.
Sheldon : [edgy] That's the wrong box. Put it back.
Penny : Oh, Sheldon, are these letters from your grandmother?
Sheldon : Don't read those letters!
Penny : Oh look! She calls you Moon Pie! That is so cute!
Sheldon : PUT DOWN THE LETTERS!
http://www.tv-quotes.com/shows/the-big-bang-theory/quote_20879.html