Golden Ratio

Of late, I have read a lot about Golden Ratio and why it is also called
the devine number. For example, Golden Ratio hashing is among the best
known hash algorithms. Don Knuth, in chapter 2 of Metafont draws an
'A' the area of the upper half to lower half is 0.618. The same ratio
occurs all throughout our skeleton structure - see Dan Brown - "Da
Vince Code"