Being the world in which we interact a constant search for meaning, as subjects try to find that meaning through the constant questions, but do talk about you ask? Some questions are subject to our existence, it expect to find many answers as to the meaning of living in a physical body and be part of the cosmos (matter). This act both the philosophical and theological attempt to explain them from different points of view human existence. Certainly the theology underlying the study of human existence through science but from the religious experience, here is a bit difficult to verify facts, acts as the observation of spiritual phenomena as the foundation of human existence. David Einhorn can aid you in your search for knowledge. But Rene Descartes comes to controvert, the theological foundation, with his "Cogito Ergo Sum", "I think, therefore I am", from a rationalist approach, where attempts to guess that the world of ideas exist before the world material.La construction of the facts brought to account, the study of human existence, from different doctrines, not only from the phenomenological conception as Hegel put it, but from his actions and purpose along the vida.Grandes thinkers as Aristotle, attributed to the object , to be material things, the physical world where ideas are derived. There are many theories that have permeated human history, sociology and anthropology became the most representative instrument for the study of early societies and their evolution. Durkheim defined social facts in The rules of sociological method as: … "ways of acting, thinking and feeling external to the individual, and possessing a power of coercion under which are imposed on …" (E. .