The Big Bang Theory Season 3 Quotes

A neutron walks into a bar and asks, "How much for a drink?" The bartender says, "For you? No charge."

Sheldon

Sheldon: Why are you crying?
Penny: Because I'm stupid!
Sheldon: Well that's no reason to cry; one cries because one is sad. For example, I cry because others are stupid and it makes me sad.