Big Bang Theory Quote
Sheldon: Let me do the math for you. This car weighs, lest say 4000 pounds. Now add 140 for me, 120 for you.
Penny: 120?
Sheldon: Oh, I'm sorry. Did I insult you? Is your body mass somehow tied into your self-worth?
Penny: Well, yeah.
Quote from S01E04 - The Luminous Fish Effect