" Doubt is unsettling to the ego, and those who are drawn to ideologies that promise the dispelling of doubt by proffering certainties will never grow. In seeking certainty they are courting the death of the soul, whose nature is forever churning possibility, forever seeking the larger, forever riding the melting edge of certainty’s glacier. "

― James Hollis , Finding Meaning in the Second Half of Life: How to Finally, Really Grow Up