A Comparative Study of the “Unity of Existence” in Mysticism and the “Unity of the World” in Physics

The principles of the “unity of the world” in physics and the “unity of existence” in mysticism are two important and basic principles. Considering that both areas of knowledge are based on rational research and analysis, we will examine the similarities and differences of these two principles with this shared method. In fact, the unity of the world and the unity of existence represent the unity of the entire universe from the matter to the immaterial However, each one includes a specific realm and has its own rules, since the unity of the world is accidental, conventional, and physical, but the unity of existence is essential, real and metaphysical.