This second goal is used as a springboard to leap into some half - baked armchair philosophizing and allusions to 2001: A Space Odyssey and The Tree of Life, but with a lot more guns.
However, finding a White Castle proves a highly difficult task, and the two friends wind up on an epic road trip of deep thoughts, deeper inhaling, and enough half - baked, politically incorrect philosophizing to outweigh a White Castle value meal.