If the fool would persist in his folly he would become wise.
William Blake (1757-1827)
...looking at the site today of Giovanni Fusetti http://www.giovannifusetti.com
where he mentions the above quote
....a wonderful link to Shadow Work (Debbie Ford) and also the work of Arnold Mindell and Genpo Roshi's Big Mind work.
In Genpo Roshi's work, you ask for various voices to come forward e.g. 'Can I speak to the voice of Control?' etc.
Marshall Rosenberg also worked with accepting the energy of the fringe voices - when I asked myself in one exercise 'If you were really mad, what would you do?' I got the answer 'Paint the Turbine Hall of the Tate red.'
Own your fringes. We have resources we may not fully treasure.