Discussion about the existence of God is one of the best pursuits of human thought, in the world, beyond the real or special experience field. There is no doubt that God's problem is one of the most important problems in human philosophy. If a human being is the highest existence in the universe, or if a man has a bigger presence, he must love it, oblige it, or ignore it, it will be challenged . So the problem is whether God exists.
There is much debate about the existence of God about the existence of God. For a long time everyone wanted to prove the existence of God. Some people think that God exists and is proved by many philosophical or scientific foundations and religious reasons. On the other hand, others do not believe in the existence of God, and their foundation is proved from many theoretical and scientific point of view. Many people try to prove the existence of God with reason. After Descartes proves its existence, people will consider the truth about the essence of God, evidence of the existence of God, and the nature of material objects. The main task in Descartes' meditation is to design a system that allows him to understand the truth. He wants to lay the foundation of all further philosophy
Second argument about the existence of God. Because Descartes believes the existence is perfect, it can become a predicate to God. First, I will explain what the ontological argument of the existence of God is. Next, I will explain why Descartes decided to incorporate God into his philosophical approach. As a predicate of God existence reveals some truth about God. Ontology seeks to prove the existence of God from a transcendental point of view