There are areas in Europe where english is not that strong. If one lives in such an area it's a good idea to at least try to learn the language.

Well if you really think all you ever need to know is in the language you speak go for it.

Or never contemplate going somewhere else

English is my second language. I don't speak from self interest of provincial ignorance. Just being rational.

so wrong... when you live in non-english speaking country, you will be quite isolated from the rest of the world, even if your freinds speak english. it's just they won't speak english all the time...