This post is in cosmology (not number theory, eg, Cantor) because our only (main) exposure to infinity is astronomical. Folks have used infinity to predict that another ClamShell has or is or will be typing this message...ballderdash...it would take an infinity of infinities for this to happen. I accept that The Universe has always been and was never born and cannot die. Other explanations just don't seem to make sense. "The Big Bang" is not even a grain of sand compared to the extent of The Universe. Mathematically, I suggest, the only operation that makes sense to finite creatures like us, is the ratio of two infinities. EG, the infinity of points on a meter stick divided by the infinite extent of The Universe equals a finite meter...simple as that; Occam would approve. Also, the infinite amount of matter in The Universe divided by the infinite volume of The Universe is the finite average density of The Universe. How many of our precious constants are really ratios of infinities?...all of them?