Through aphoristic declarations and accompanying emblem-like designs, Blake argues for the essential unity of all religions as expressions of the "Poetic Genius" within all human beings. As the quoted phrase suggests, All Religions are One implies the unity of the artistic and religious imagination. Several of the numbered "Principle[s]," the term used as a heading to each text plate, assert a causal connection between inner spirit and outer body. Because of shared graphic styles, themes, and genre, All Religions are One is closely associated with There is No Natural Religion of the same year.