This week, Matt Croasmun continues our series on the parables of the Kingdom of God by zooming in on a very short but very puzzling parable: the parable of the yeast. Yeast was almost always a bad thing in the ancient imagination. It’s sneaky, it gets into places where you don’t want it to be. Jesus says the Kingdom is like yeast that a woman hid in a large amount of dough. What is Jesus trying to tell us about what God is doing in the world?