"I wanted to convey an emotion I have about the beauty of the world. It’s difficult to describe because it’s an emotion. It’s analogous to the feeling one has in religion that has to do with a god that controls everything in the whole universe: there’s a generality aspect that you feel when you think about how things that appear so different and behave so differently are all run ‘behind the scenes’ by the same organization, the same physical laws. It’s an appreciation of the mathematical beauty of nature, of how she works inside; a realization that the phenomena we see result from the complexity of the inner workings between atoms; a feeling of how dramatic and wonderful it is. It’s a feeling of awe—of scientific awe."

Physicist Richard Feyman(1986)

The Golden Mean, also known as the Golden Section, Divine Proportion or simply Phi, from the initial letter of the name of the Greek sculptor Phidias, is the division of a line. A line of any given length is precisely divided into a small segment and a large segment. The relationship of the small segment of the line to the large segment of the line is in the same proportion as the relationship of the large segment to the whole. It is expressed mathematically as the geometric ratio of
1: 1.61803…