that's a good question. we don't have to discover america by following that jew columbus' journey. someone can just tell us about it and we can take a plane to save a lot of time. that's where a teacher or parent comes in. to build on the knowledge of the ones who came before. how would you know that you can look up stuff in encyclopedias? will you need to discover that all by yourself? or maybe someone can provide you with a shortcut and just point it out to you.
Switzerland