Do you have a reason to back that up? I'm far less sure. (I mean, I think the advantage is that you are able to speak to more people easily and in their native

Do you have a reason to back that up? I'm far less sure. (I mean, I think the advantage is that you are able to speak to more people easily and in their native tongue, which is a whole other advantage, but that's different than "expanding your mind" directly by learning another language.)