The benefit of studying the wisdom of the Kabbalah is that we can come to know and understand this clearly. We have been commanded to do so: “And you shall know this day and bring it into your heart, that HaShem is God in the heavens above and on the earth below: there is none other” (Deuteronomy 4:39). And how will we understand this? When we understand how the entire cycle of the universe is governed from beginning to end, we will then see clearly how it is that everything comes only from God, blessed be His Name.
The purpose of everything is that only His good desire to benefit will endure forever, and nothing else. The very things that today perplex us and cause the wicked to stumble into heresy will in the end reveal this truth to us, showing us His true, unique oneness in all its ways.