In his “Preface to the Wisdom of Kabbalah,” one of his introductions to the Sulam commentary on The Book of Zohar, Baal HaSulam explains the difference between spirituality and corporeality. He says that anything that has an aim to bestow, like the Creator, is spiritual, and anything that has an aim to receive, opposite from the Creator, is corporeal. Prior to Adam’s breaking, there was no such thing as an active aim to receive. Hence, his breaking also marks the first appearance of physical reality...