Yes. In the first place, Gen. 1:1 says in the beginning God created the heaven and the earth, which means God exists. And if there is an argument about that, who else did?. For example human beings that exists, without God, how did they come into existence? That is another instance. The Bible says God is the Omnipotent,omnipresent and Omniscient, no one else has been called such. The parts of human body and their functions, how did it come about?, There are many mysteries on earth that proves that God exist and I believe because the word of God is true. In my personal life encounter, many wonders of God via divine revelations and inspiration has proven to me that God truly exist.