Philosophy of Oneness, also known as Monism, is a belief system that states that all of reality is composed of ONE single substance. This single substance is often referred to as the 'ONE' or the 'All'. It is believed that this single substance is the source of all existence and is the ultimate reality. Monism is a metaphysical concept that has been around for centuries and is still widely discussed today. It is often associated with pantheism, which is the belief that God is present in all things. Monism is also closely related to the idea of unity, which is the belief that all things are connected and part of a greater whole.