There is a shape-based sequence which, when ‘played’ in the imagination, unlocks it, almost as a key unlocks a door. There are variations, and you must -understand- each phase for the lock to open. One variation, crudely translated into words is this: Dot:Line:Cross:Circle:Sphere. This absurdly simple key, lying right before our faces, often threw our ancestors into fits of ecstatic prophecy.