the oldest and most universal , this symbol fused all the ancient traditions in a single solitary image that represented the illumination of the egyptian sun god , the triumph of alchemical gold , the wisdom of the philosopher 's stone , the purity of the rosicrucian rose , the moment of creation , the all , the dominance of the astrological sun , and even the omniscient all-seeing eye that hovered atop the unfinished pyramid .