====== MIND TO BARRIER ANALOGY ======

  * outside mind 
    * outside universe 
      * outside nature
      * outside world 
      * outside space ( outer space ) 
    * outside paper 
      * outside forms 
    * by nature 
    * for nature 
  * Inside mind 
    * inside universe 
      * inside nature
      * inside world 
      * inside space ( inner space ) 
    * inside paper 
      * inside forms 
    * by mind 
      * artificial 
    * for mind 


  * by mind 
    * artificial ( for nature , to control nature ) 
  * by nature 
    * natural ( for mind , to control mind )