Who create God? Why there is always a confusion, misunderstanding and debates on the topic of God? Why do people want God? Isn't we are the one to make everything possible? We don't have to give our faith and hope to God. Isn't it ? Why God exists in all people mind? 
I know we have different philosophy in life that move our being and we act accordingly to this. I believe in God and and my answer to this question is just simply "it is by his grace that he always in everyone's mind to remind all to put their trust on him, he exist not only in our mind and heart but also to every God's creation to display the truth about him."God is God and our response will be deal on the final day.