Sheldon: As a child, when faced with a dilemma, my mother encouraged me to ask, "What would Jesus do?" The answer to that was always, "Love thy neighbor." But my neighbor had a dead tooth, so that wasn't going to happen.
But that's why I changed it to, "What would Spock do?"
Adam Nimoy: Did you find that helpful?
Sheldon: Yes. Oh, for example, three years ago when I discovered Penny was eating all my Pop-Tarts, instead of getting angry or vindictive, you know, I got a floor safe.
Penny: I knew I could smell 'em.