The American writer "Mark Twain" formulated the cyclic idea through the Act of periodic repetition. Every thing has happened once happens again, and again and again and not capricious way, but at regular intervals. Humans have observed recurring cyclical processes in nature, cycle of rise and fall of the tides; the annual migration of birds, the sleep cycle, the heartbeat, cyclical climate changes, wars, etc. Emotions change from positive to negative and vice versa in alternating patterns. All human activity is affected, as it is the case in the financial markets that rise and fall in response to those emotions. "All in the nature (astronomy, geology, biology...) is moving from form cyclic."Simulation of the start of a process regressive, part of a cycle evolutionary figurative of the development of a species, that a time come to the end of a period of development maximum, begins to standstill