First, unbelief can be nurtured by an unrealistic attitude to faith. If you believe that you can, or need to, know everything with absolute certainty, your faith will encounter difficulties very soon. Faith isn’t a product of absolutely certain knowledge. Faith is about being willing to live through trust in the existence and promises of God, knowing that one day his existence and those promises will be totally vindicated. But for the moment, we walk by faith, not by sight. Second, unbelief may