“There is no difference between them, but only a difference of degree perceived in the substance of the elements of reality in each and every world. The substance of the elements of reality in the first, uppermost world, is finer than in all the ones below it. And the substance of the elements of reality in the second world is thicker than in the first world, but finer than all that is of a lower degree.
This continues similarly down to this world before us, whose substance of the elements of its reality is coarser and darker than in all the worlds preceding it. However, the shapes and elements of reality and all their occurrences come unchanged and equal in every world, both in quantity and quality.” (Baal HaSulam, “The Essence of the Wisdom of Kabbalah”)
Question: What is “a fine world?”
Answer: It is a world in which we use the desire with the intention of in order to bestow. This is actually what makes it fine.
“They compared it to the conduct of a seal and its imprint: All the shapes in the seal are perfectly transferred in every detail and intricacy to its imprinted object. So it is with the worlds: Each lower world is an imprint of the world above it. Hence, all the forms in the higher world are meticulously copied, in both quantity and quality, to the lower world.”
This is how everything takes place. The world of Ein Sof and the world of Adam Kadmon are called Keter, the world of Atzilut is called Hochma, the world Beria is called Bina, the world of Yetzira is called Zeir Anpin, and the world of Assiya, which also includes our world, is called Malchut. This is the structure of the whole creation.
If we look at one of the worlds, let’s say Bina, it is also made of Keter, Hochma, Bina, Zeir Anpin, and Malchut, and so on.
This means that the structure must always be made of five or ten parts. Later we will see that it is the same thing. The whole creation starting from the world of Ein Sof all the way to our world includes ten Sefirot, no more no less. Every particle in it is also made of ten Sefirot and is similar in its structure to all the worlds.
If we assume that the universe is built in the form of an atom and is made of these atoms, we can imagine what a root and a branch are. It all descends into our world and everything that we see before us are the branches of what is above our world, according to the hierarchy of the spiritual attributes, which in the spiritual world are called roots.
From KabTV’s “Fundamentals of Kabbalah” 10/6/19