riddle : where I am ?you had all disappeared … I was so sad … happy to see you again !if even the virtual begins not existing, whom we are going to become ?! … :-) do you see the window ? how do you prevent an elephant from passing by the key hole ? you make him a knot for the tail ! two hands clap … what is the noise of a single hand ? every particle of your body has fifteen billion years during centuries and centuries people asserted that the Earth was flat … … did that prevent the Earth from being round ? the tree which falls in the forest… … does it make noise if nobody hears it ? the time does not exist … I am writing what you are reading ! If I switch off the light … … where does it go ? am I of my opinion ? when there is not anything to do … … what do you do ? I hurry to laugh at everything, for fear of being obliged to cry for it - (Beaumarchais) there is always a hidden window … …. maybe open on another world ?