To know what you know and what Posted on April 15, 2012April 15, 2007 by admin “To know what you know and what you do not know, that is true knowledge.” — Kong Fu Zi Author: Kong Fu Zi Category: knowledge Tags: knowledge, Kong Fu Zi Spread the love Related posts: The greatest gift is the passion for Belief and knowledge are considered to be In garden arrangement, as in all other For me, there is nothing worse than