Goat: What are you doing, Pig? Pig: Finding out how clearly I can see my butt. Goat: What for? Pig: To see if hindsight really is 20/20. Goat: I think I've lost my appetite. Pig: Whoa. Me, too.
If hindsight is looking at your butt, what is foresight? (Don’t want to jump to any foregone conclusions.)