Jean Klein's teachings on Advaita, or non-dualism, have a strong connection to other spiritual traditions. Advaita is a concept that can be found in various spiritual traditions, including Hinduism, Buddhism, and Taoism. However, Klein's approach to Advaita is unique and has its own distinct flavor.

One of the main similarities between Klein's teachings and other spiritual traditions is the emphasis on the concept of oneness or unity. In Advaita, the ultimate truth is that there is only one consciousness, and everything is a manifestation of that consciousness. This idea can also be found in other spiritual traditions, such as the Buddhist concept of emptiness and the Taoist concept of the Tao. This concept of oneness is a fundamental principle in many spiritual traditions and is a key aspect of Klein's teachings as well.

Another important aspect of Klein's teachings that relates to other spiritual traditions is the idea of letting go of the ego or the sense of individual self. In Advaita, the ego is seen as an illusion, and true liberation comes from realizing the non-existence of the ego. This idea is also present in Buddhism, where the goal is to overcome the illusion of the self. In Taoism, the concept of wu-wei, or non-action, involves letting go of the ego and surrendering to the natural flow of life. Klein's teachings also emphasize the importance of letting go of the ego and surrendering to the present moment.

Klein's teachings also share similarities with other spiritual traditions in their emphasis on self-inquiry and direct experience. In Advaita, the path to realization is through self-inquiry, where one questions the nature of the self and the reality of the world. This approach is also present in Zen Buddhism, where the practice of koans involves questioning the nature of reality. Similarly, in Taoism, the practice of inner alchemy involves self-inquiry and direct experience of the inner world. Klein's teachings also emphasize the importance of direct experience and self-inquiry in realizing the truth of existence.

However, while there are many similarities between Klein's teachings and other spiritual traditions, there are also some differences. For example, Advaita is rooted in the Hindu philosophy of Vedanta, which places a strong emphasis on the role of a guru or teacher in guiding the seeker towards realization. In contrast, Zen Buddhism emphasizes the importance of self-discovery and direct experience without the need for a guru. Klein's approach falls somewhere in between, as he emphasizes the importance of a teacher but also encourages self-inquiry and direct experience.

In conclusion, Jean Klein's teachings on Advaita have a strong connection to other spiritual traditions, particularly in their emphasis on oneness, letting go of the ego, self-inquiry, and direct experience. However, his approach also has its own unique aspects, making it a valuable contribution to the spiritual landscape.