The man who peers into his own nature,the twin powers of creativity – the synthesis of all Elements. The upper triangle represents the heavenly nature, while the lower triangle – the earthly nature. The combination of the two triangles represents the universal human who acts as a middleman or conductor between the two worlds.
– About the Star of David, Yaly Judaica.com
It will not be absurd to represent the mystery of the Four Elements, in which it is possible to resolve each one into elementary form, by four straight lines running in four contrary directions from one common and indivisible point.
– MONAS HIEROGLYPHICA (‘THE HIEROGLYPHIC MONAD‘), by John Dee (1564 AD), Esotericarchives.com
LINK: Monas Hieroglyphica, by Dr. John Dee