What is the "golden ratio"?

Amazing mathematics!

The picture did not show Golden Ratio, it shows: Vitruvian Man which depicts the perfect proportions of a human being, as defined by geometric and mathematical ratios.

“The laws of nature are but the mathematical thoughts of God.” Euclid

First learned about this in a Disney short called Donald in Mathmagic Land in 5th grade. It's a great little film. If you haven't seen it, check YouTube.

first for long time i figured out the grand design of their use but slowly im knowing bit how to use them and reconize around me

ive heard of these words for about 8 years and slowly im begining to get it a bit