, Eckhart states, should be to wipe the blackboard of one's head clean; it’s akin to using a sponge and voluntarily relinquishing all indicating and judgments. He calls it an act of humility since the head thinks, I am aware this or that. I feel he’s proclaiming that liberal Charge https://www.youtube.com/watch?v=Cg8SnQBu-eY