This paper will first introduce the Eastern concepts in perceptions and space, followed by a brief overview of space-time in the perceptive of modern physics, and an exploration of some important theories in modern theoretical physics. Following the introducing works previously published (Liu, 2017 Liu, 2019 Liu, 2020), this paper would like to further discuss the Essence of the Universe by tentatively putting together a unified theory that can bridge the modern physics to philosophical ideologies from the ancient time, with more details in a work in progress, a book with around 500,000 words with Scientific Research.

Subsequently, by incorporating oriental knowledge (later called Eastern philosophy) and the core philosophical ideologies of both the Western and Eastern philosophies from the Axial Age, a new way of thinking based on perceptual cognition came to light. However, when reflecting on the Essence of the entire Universe, the author raised some questions on the current model of space and time in modern physics, where the theory of relativity failed to explain quantum behaviors. Arguably, the advent of modern physics is the finest achievement of humankind in recognition of the three-dimensional Universe. Humankind then took steps further with more discoveries in theoretical physics such as the M-theory proposed by Edward Witten, or the fundamentals of quantum mechanics that study the essence of materials, including that of humans. The theory of relativity, both the special and general relativity postulated by Albert Einstein (Germany, 1879-1955), is a very important theory that finally pieced together the relationship between materials in the three-dimensional Universe and space-time (Einstein, 2018). Introduction to the Basis and Foundations of Reflection

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