Consider this - Macrobius, an early 5th century Roman philosopher, found the problem to be interesting: "You jest about what you suppose to be a triviality, in asking whether the hen came first from an egg or the egg from a hen, but the point should be regarded as one of importance, one worthy of discussion, and careful discussion at that."
Canon 5D Mark II, 1/1600 sec @ f/3.5, ISO 800, 100mm macro lens.