What Comes First? The Chicken or the Egg?

i was watching the london marathon, and i saw one runner dressed as a chicken and another runner dressed as an egg. It's supposed to be a sort of conundrum where you're not sure which thing caused the other thing to happen? I'm sure wherever my dad is, he's looking down on us. This suggests that his dad is dead, but he thinks t he's up in heaven somewhere. To look down on someone can literally mean when you're looking from a higher position, let's say heaven, and you're looking down on ino from above,. But also, in the idiomatic sense, it means kind of er, looking with judgment and lik, you know