> Joining a club because you have a high IQ is like joining a club because you have a leg or a head That's a bit too loose analogy. A more precise is like join

> Joining a club because you have a high IQ is like joining a club because you have a leg or a head That's a bit too loose analogy. A more precise is like joining because one is tall. While the principle still somewhat holds, the difference is in the consequences. One may join Mensa because they're likely to find people with similar tendencies/interests, as much as tall people may like certain sports.