I think I have a duty as Posted on September 19, 2015September 19, 2010 by admin “I think I have a duty as a recovering guy to help, to make my knowledge of what I went through accessible.” — Charlie Sheen Author: Charlie Sheen Category: knowledge Tags: knowledge, Charlie Sheen Spread the love Related posts: Learning is acquired by reading books, but Wonder is the desire for knowledge. We must develop knowledge optimization initiatives to The current state of knowledge is a