I don't think that quote is meant to be taken literally. It's more a commentary on how you can accomplish most things you can put your mind to; the only limits you place are those you impose on yourself.
And I don't know, but it might be possible to create a light-sabre. Who knows. I am sure that we live with technology today that seemed just as impossible 100 years ago.
And I don't know, but it might be possible to create a light-sabre. Who knows. I am sure that we live with technology today that seemed just as impossible 100 years ago.