One of the first things that we have to realize is that God is what he is no matter what we think about him. The reality of God is independent of what we might think about him.
Secondly, each person and religion has their own thoughts about God. For example, the American Indians thought of God as the Great Spirit.
Thirdly, if we are to truly know God, we must put aside our thoughts and beliefs about God and seek out what is true. When we carry our own biases and misconceptions with us, then we blind ourselves from seeing the true character and presence of God.