Hinduism and Judaism share an overwhelming majority of principles in their Tantric and Kabbalistic systems. Contrary to popular belief, Hinduism and Judaism are monotheistic religions, but they differ in their worship of deities. Judaism is a strictly monotheistic religion in terms of divinity, while the Hindu tradition worships many deities. Tantra and Kabbalah, the mystical aspects of their respective religions end up overlapping on topical topics at an abstract level. This research is very complex and requires years of study to understand its vastness.
An instrument for expansion
Tantra literally means "an instrument for expansion". Kabbalah literally means "to receive through". The idea behind both is that the body is a garment for the soul. The mystical teachings of Kabbalah explain the conception of this world in a way that the one who gives infinitely creates the receiver "within" his infinitude. For that to happen, the Infinite had to contract its infinity and create a lack to create space for the finite universe. The One always creates a gap to fill the gap that is referring to the act of contraction and expansion, the birth of animated and inanimate objects, ideas, etc. Tantra's view of contraction and expansion is in line with the Kabbalistic view. Tantra explains that these two movements are at stake in all aspects of life and our bodies. When these two energies are in balance, it leads to a state of balance or freedom, but when they are out of balance, we experience a lack of clarity and suffering.
The ritual seems a strange concept and deeply misunderstood by the Westerner who was taught to intellectualize everything. The ritual is a concrete action performed with the intention of spiritual elevation. In the Tantric tradition, a person performs a ritual to connect with Divinity. One must have a specific intention for a higher vision or realm while he performs a ritual. Tantra suggests that by weaving the action with a specific intention, the person changes his state of consciousness. Kabbalah describes a similar concept in the performance of a Mitzvah, which is a commanded ritualistic action. It is necessary to have Kavanah, focus or path to the intrinsic power or sphere of influence to be achieved. Both Tantra and Kabbalah convert regular actions into acts that affect the Unity of matter and consciousness, concrete and abstract.
Shiva and Shakti
Just as the physical body is a garment of the soul, the universe is a vessel for Divine manifestation. What we experience is nothing more than a concrete and tangible manifestation of Divine energy that constantly creates, maintains and destroys. Consider this having to contract and, consequently, divide or separate. Out of that idea comes the male / female principle. In Tantra, these principles are understood through Shiva and Shakti, while in Kabbalah, there is no particular male name, but the female counterpart is called Shekhina.
The feminine principle of tantra is represented by Shakti. She is Shiva's counterpart. Shakti is representing the consciousness or forces that are flowing throughout the universe. It is the embodiment of creativity, power, the birth of abstraction in life. It represents the immanent aspect of the Divine. In Kabbalah, the Shekhinah is the feminine aspect of the One and similarly characterized as Shakti. She is the divine female presence. Its name literally means "to live" or "to settle" in female grammar. It may come as a surprise that there is a goddess associated with Judaism, but her main one was introduced in biblical times and continues to represent herself today. She is constantly living in several places with many people. It is the act of dwelling, the aspect of the one who dwells among people and can be apprehended by the senses. It is the manifestation of His presence on earth. She is loving, motherly and ready to defend her people even from the masculine principle.
The final work is to reach the state of Oneness, called Yichud or Achdut HaShem in Kabbalah. When combined, matter and consciousness, as ritual and intention, we can actively bring these two forces closer together. Both Tantra and Kabbalah agree with the law that the universe as we know it is maintained by two fundamental opposing forces. Your unity is considered two parts of the same Divine. We are reuniting Him and His Consort, and this is manifested in its uniqueness, the world. This Unit can be described as non-dualism.
The phenomenon of non-duality does not reveal the reality of the existing opposites, however it affirms that the root of the existing evil is found in not recognizing the Truth, that everything is inseparable from the control and guidance of the Supreme intelligence.