The phrase ‘It’s a Small World’ is used when you have encountered the same people, events, or situations in an unexpected place or you have discovered that someone knows a person you also know.
Example of Use: “Imagine you knowing Sheri! It’s a small world, isn’t it?”
The phrase 'It’s a small world' is an ancient one with no known origin. It has been used for hundreds of years in Spanish-speaking countries, where it’s said 'El mundo es un panuelo.'