Understanding of Mind, Heart, Faith and Bias

Why some people deny the existence of God? Why have some others devised so many imaginary theories about this Cosmos and its Creator? May be, it is because of their inability to comprehend the complex nature of this Cosmos and its Creator.
How can we explain the truth about this Cosmos and its Creator to people? Since the problem lies in the perception of people, we need to understand how human mind works? What are the factors that contribute to our belief system? And what is meant by faith and bias? If we know these issues, we will be able to explain the facts to the people in a way that can be understood by them. This course explains these facts in detail.