Golden Ratio of Nature and Art

"Nature has a  dominant proportional ratio that creates design and order, the approximate ratio is 1.618 to 1 . The Greek mathematician Pythagoras discovered this ratio,  The Egyptians have known it for more than a thousand years and it has been proven by psychological tests that humans prefer shapes based Golden ratio over other shapes, since it mirrors the order and sequence found in nature. The Greeks and Renaissance artists understood this principle well and the golden ratio rectangle, golden ratio proportions became widely used for  composition in art and architecture."