The dust from heaven

Can you guess what the most precious substance is? let me give you a clue: look up at the soles of my boots and you will see it. you can recognize it because every time you look up at me, you feel weak, small, owned. the only thing from me you are allowed to touch is the dust from my boots. to you, it is the dust from heaven, because being under my boots is your heaven, feeling small and totally mine. look at it, crave for it; the dust from my soles is the only thing you are allowed to hope for...