There are traditional arguments for the existence of God. One Argument From Design says that every design demands a designer. An illustration is that you cannot take all the pieces of a watch and throw them in the air and think that a perfectly working watch will fall to the ground. It is true. However, God himself came from nowhere. He is perfectly designed yet He had no designer.
God tells us that if we are to come to him we must 1st believe that he exists and 2nd believe that he rewards those who seek him (Hebrews 11:6). The key word here is "belief." Believing is the foundation of our relationship with him. There is no final empirical or scientific proof that he exists, even though it is unbelievable that this world and all of its beauty and intricate systems could happen by accident. But in the end, God is invisible and has never been seen directly so belief is the only avenue to him.
Being convinced of God comes after one considers this world and wonders if it could happen by accident. The answer is no. This intricately designed and working universe demands a creator - Read Romans 1:20. After looking and experiencing this world one either believes in God and seeks him or not. It is our calling to believe, not to figure Him out! Foree