Throw them all away, but don't predict where your foot will fall; the first and last steps are the same.
Madness string 37702
There is a really interesting idea in quantum physics which is related to a type of elemental solipsism. It states that there is only one electron in the entire Universe, moving so quickly that it occupies every possible valance shell effectively at once, thereby adding an insane new wrinkle to the Uncertainty Principle.