A brain engraved in wood and secured with a nail on a panel, to symbolize the title of the work. The inscription made with nails to express and reinforce the veracity of the concept, although it is commonly widespread tendency to want to hide the statement. The frame filled with nails to signify how our thoughts, taboos, fixations, concepts, actions, expressions, despite the developments and changes in the social, cultural, religious, political, belong to the whole world, and are firmly rooted in the human mind, incorporating past, present and future.