Baal HaSulam, “The Acting Mind“: It is written that every person is obliged to attain the root of his soul.
A Kabbalist who has already attained the root of his soul and is certain of it gives us a clear instruction that you, a man, must attain the root of your soul.
This is the point where the upper force relates to you, from where all systems, signals, and forces of providence descend upon you. And you must perceive everything, understand, adapt, and accordingly alter yourself, change everything for the right use.
Therefore, each person must attain the root of his soul, understand it, and correctly enter into mutual connection with it.
This means that the aspired-for purpose of the created being is Dvekut [adhesion] with His qualities, as it is written, “And to cleave unto Him.” Our sages interpreted that this is the Dvekut with His attributes: “As He is merciful,” etc.
In order to merge with the attributes of the Creator, I must not only rise, but also understand that the ascent to the level called the root of my soul can occur only to the extent that I gradually change according to the properties of the root of my soul.
This means that by changing myself more and more into resembling the Creator, I gradually ascend to the root of my soul. And once I reach it, I enter the most comfortable, perfect state, I achieve eternity and perfection.
From KabTV’s “Fundamentals of Kabbalah” 4/21/19