The Greek healer, scientist and philosopher Empedocles who lived in Sicily was the first to classify the elements of roots as water, air, fire, and earth, outwards reaching elements he classified as fire and air, inwards reaching elements are earth and water.
According to Empedocles philosophy, the interaction between the four elements is influenced by the relationship between the two greatest energies in life, namely strife and love. He adds a moral dimension to his associating argument and love represents good versus conflict representing evil. The vortex as Empedocles calls it is the influence of each principle wanes and waxes into a cycle of opposition.
When time started, the universe was completely dominated by love, as a consequence, all four elements were unified, a segregated and united into a sphere. Each quarter equally divided between water, earth, air and fire.
His philosophy was influenced by ancient Greek traditions, Pythagoras, mystery traditions including underworld cults of Hecate, Hades and Demeter and Orphic mysteries. In his own writings, practices and works of Neoplatonist’s, alchemists and Gnostics that advanced the theories, the elements are not only spiritual and material; they are also facets of human beings.
Founder of modern psychology, Carl Jung studied alchemy and mystical literature and concluded that his conceptualization of thinking, feeling, intuition and sensation of the four basic components of personalities is a clear derivation of the ancient theories as per Empedocles’ fire, earth, air, and water. Several articles about the Doctrine of the Elements in Ancient Greek discuss the related theories as developed by both Aristotle and Empedocles as fire being hot and dry, water as cold and wet, and other opposites include earth as dry and cold and air as hot and wet. Most obvious the element manifestations are land, sky, sun and the sea. Further discussion of each element is that the earth is cool, dry, rigid and passive. Water is union, dissolution, and transformation. The theories of the four elements by Empedocles have significantly influence traditions into the 20th century. The poem by Haikus reads that the four elements, fire, earth, water and air will guide you.
In Dan Brown’s novel Angles & Demons the background of conflict between science and religion. The clue used at the first altar of science is a poem written by Illuminatus John Milton, it says that from Santi’s earthly tomb where the demons hole is located in Rome where the mystic elements would unfold. It continues to say the path is laid with light, and that the angels along the way would lead you on this lofty quest.
Inside his novel, the Illuminati used ambigrams, words which look the same when turned over, for their title and the four elements, water, fire, earth and air are known to renaissance scientists. The reason they use ambigrams are to show respect for the fondness Galileo had for symmetry. The logo was kept destined and was only to be revealed once the Illuminati was powerful enough to complete their plans.