@Frank Apisa,
You make a lot of blind guesses about my way of thinking. And I don't think you understand your own thinking very well.
There is never enough unambiguous evidence to conclude. That's my point. Any conclusion worth drawing requires a leap of faith, always. Knowledge has a faith component in it. It cannot be achieved if you never trust any source of data for instance. Trusting the data = believing the data. Starting by believing your own eyes and what they see. Do you trust your senses Frank? I do, in general.
A belief is a guess you trust. Investing trust into ideas is important to be able to think. Otherwise, you're bound to remain at the ground level of reason, which is tautology.
As for gods or their absence, such a belief can also be based on experience: mystical experiences exist, as does despair. For instance, the experience of ultimate evil, eg the Holocaust, led some to conclude that the god they believed in does not exists.