Here we leave the sphere of trivia that exist for something to do, and are entering a fascinating worlds of art, philosophy and science. All this is of great importance, since it not only allows you to effectively deal with the lack of incentives, but also allows maximum use of the most stunning physical property man - a giant brain. Because of the huge importance that purchased these areas for our civilization, we tend to forget that in a certain sense, they are no more than a means of struggle for the incentive. Like hide and seek, or chess, they help to pass the time between the cradle and the grave of those who are lucky enough and can afford to fight not only for basic survival. I say "lucky" because, as I mentioned earlier, a huge advantage superplemennyh conditions lies in the fact that we are relatively free to choose the forms of our activity, and when the human brain can invent such wonderful lessons like these, we must assume, we were lucky to be among the champions of the stimulus, not fighters for survival. It is man-inventor is the one who leads the game struggling. When we shtudiruem scientific papers, listen to the symphony, poetry reading, watching ballet or consider pictures, we can only marvel at the infinity of the human struggle for the stimulus and the incredible ingenuity, he skotorym it leads.