I get the same amazement when I think about an ant I see on a tree five feet away. A photon was born somewhere in the middle of the Sun thousands (or more) years ago. It eventually made its way to the surface and—at extreme improbability—it traveled directly toward Earth. With more extreme improbability, it found itself on an intercept course with a tiny little ant on a tree.

Layer on yet another high improbability, that photon-ant collision just so happened to send it directly toward me. Wait, not just me, but the tiny little pupil in one of my eyes!

Tremendously large numbers and crazy minuscule fractions can be found in your backyard. Don't even need to leave the Solar System.