Descartes second meditation is a description on the basic nature that govern human mind. It is an argument aimed at creating an elaborated view on how the mind should be known better that human body. The development of his second meditation is to create a more rational argument on source of knowledge as provided in his first meditation.

Within this first meditation, he has supposed that everything percepted through his eyes is primarily wrong. Elsewhere, all what is represented by his memory is non existence.To him, the word human senses that exist in the first meditation do not provide the most rational explanation about his knowledge on life. Despite is supposition that all the beliefs he held in this first meditation were false rather than been doubtful, at least on one of these beliefs ought to be true.

His second meditation is built on the argument that “ego sum, ego existo”, which means, “I am therefore I exist”. His second meditation is based on searching for absolute truth about reality by describing the perception of objects as promulgated by the body.His argument for existence is rooted on the idea that he exists because he is capable of thinking. However, to develop a concise attribute about existing based on parameters of thinking, he beckons towards an evaluation of his consciousness to evaluate the possible source of knowledge about existence (Rorty, 1986). Descartes finally arrives at the final rationale provided by thinking as the radical aspects that models the human consciousness.

This is developed by his long journey towards internalizing for his existence. He admits the object of mind in this second meditation by rejecting senses as rational for explaining his existence. However, sense experience to him acts as the sources of input substances which are evaluated by the mind to yield absolute knowledge about existence. His final resting point for the doubt about existence is by attributing on mind as the substance that defines his existence (Rorty, 1986).