What is it in man that for a long while lies unknown and...

What is it in man that for a long while lies unknown and unseen only one day to emerge and push him into a new land of the eye, a new region of the mind, a place he has never dreamed of? Maybe it's like the force in spores lying quietly under asphalt until the day they push a soft, bulbous mushroom head right through the pavement. There's nothing you can do to stop it.