Confused

Let it be known that I don't know I was thinking that I thought I knew But through and through the less I knew Let it be known that you don't know You think you thought you knew it all I knew you knew less most of all Let it be known that we don't know We thought we were wholly wisened as a whole But our folly fully forgoed what had previously been fathomed Now that it is known we don't know We want you to know That I know, you know, we know.. Absolutely nothing