You must know that God’s satisfaction from benefiting His creatures is proportional to the extent that the creatures feel that God is the one giving to them and benefiting them. He is greatly delighted with them [the creatures], like a father who is delighted with his beloved son, to the extent that the son realizes how great and lofty his father is and [to the extent that] his father shows him all of the treasures he has prepared for his son.
As the verse states: “Is Ephraim not a precious son to me, a delightful child? Whenever I speak of him, I remember him all the more. Therefore, I long for him inwardly. I will show him great compassion, declares the Lord” (Jer. 31:19).
If you examine this verse carefully, you can understand and comprehend God’s great delight, as long as those perfected [creatures] are worthy of feeling and appreciating God’s greatness in all the ways that He prepared for them. [This is true to the extent that] they maintain a dear father-son relationship, much as a [human] father does with his own delightful son, as explained by this verse to all who understand it.
We need not expand on this. We need only know that it was worth creating all of the worlds, upper and lower (as will be explained), for the sake of the delight and satisfaction [that God has] from these perfected [creatures].