Big Bang Theory Quote
Sheldon: I want to build a road, but I need wood. Either of you fellows have wood?
(Raj and Howard snicker)
Sheldon: I don't understand the laughter. The object of "Settlers of Catan" is to build roads and settlements. To do so requires wood. Now I have sheep; I need wood. Who has wood for my sheep?
Quote from S05E13 - The Recombination Hypothesis