Ted was now curious to find the largest number. He asked 1, “Who is the largest number here?” 1 replied, “I don’t know, ask 2.”
Ted went to 2 who told him to ask 3. Similarly, every number asked Ted to ask the next greater number. After asking a lot of numbers he realized:
Since every number tells Ted to ask the next number, Ted will never be able to find the largest number. This is because there will always be a number larger than the largest number. That’s why it is said that there are infinite natural numbers.