One of the main themes of Passover is humility. We eat matza that is flattened as a reminder to calm down our often puffed up egos. But I think we forget to concentrate on that which is missing: the yeast. As many bakers witness, yeast is activated by triggering agents. Hot water and sugar allow those familiar bubbles to emerge in the beginning process of baking bread or challah. It takes an activator for the dough to rise. There are particular ingredients that cause the yeast if you will, to come alive. Spiritually, our egos may not be so different....