Why did the chicken cross the road?

Sigmund Freud: The fact that you are concerned that the it crossed the road shows your underlying sexual insecurity

Dr Seuss: Did the chicken cross the road? Did it cross it with a frog? Yes, The chicken crossed the road. But why it crossed, I've not been told!

Fox Mulder: You saw it cross the road with your own eyes! How much more do you need to see when you realize the truth!

Colonel Sanders: I missed one?