Answer:
They have to do with the nature of infinity. The most well known is the Runner's. If a runner thinks that a race is about going to the midpoint of the race and then the midpoint after that, he'll never finish. He'll complete 50%, then 75%, but will never reach the finish line. He can only get infinitely close.
First answer by Sherlock310. Last edit by Sherlock310. Contributor trust: 5 [recommend contributor recommended]. Question popularity: 2 [recommend question].