The ten kinds of fruit [that correspond to] the World of Making have a soft interior surrounded by a hard shell. This is like the kelippah, when it takes a holy spark within itself, in order to be enlivened by it. It surrounds the spark just as a shell encompasses the fruit.
Consequently, we learn that there is no physical thing here below that does not correspond to something above. “For one is protected by another on a higher level, and both of these by still higher ones.”43Eccle. 5:7. As things are below, so they are above. For there would be no shadow if there were no one to cast it.