Finally, at the metaphysical level of human thought, we find numerous examples from the intuitive " world systems " of religion, mythology, and occult traditions, including (in religion) the 4 sacred creatures which surround the throne of the Trinity, (in mythology) the 4 riders of the apocalypse and the 3 fates, (in the occult) the 4 elements and 3 qualities of astrology and the 4 trigrams of the I-Ching. In the rational mode we have the four forces of physics combined with 3 energy states in the Unified Field Theory (light, matter, charge), and numerous examples in the fractal hierarchy table previously cited.