Getting to Know Your Body
If your eyeballs move, this means that you’re thinking, or about to start thinking.
If you don’t want to be thinking at this particular moment, try to keep your eyeballs still.
Source:
Davis, Lydia. Varieties of Disturbance: Stories. New York: Farrar, Straus and Giroux, 2007. Print.
view from a burrow 
Lydia Davis is great