Infinity has haunted human minds for thousands of years. It challenges theologians and scientists alike to understand it, cut it down to size, find out if it comes in different shapes or sizes, and decide whether we want to outlaw it or welcome it with open arms into our human descriptions of the universe. It is also a live issue. Physicists’ quests for a theory of everything has been primarily guided by an attitude toward infinities. When asking a question of particle physics, for example, the appearance of an infinite answer was always taken as a warning that you had made a wrong turn in your search for a theory of everything.
The Infinite Story – Boundless, Timeless and Endless