The Golden Ratio Go-To Encyclopedia


Following is a sampling of testimonials about the book and, more broadly, the Divine Code/Golden Ratio.

In The Divine Code, Matthew Cross and Dr. Robert Friedman take one of Creation’s great secrets and make it accessible, engaging and fun. This book offers you a cornucopia of delightful insights, enlivening practices and inspiring “A-ha’s”!

Michael J. Gelb

Bestselling author, How to Think Like Leonardo Da Vinci and Da Vinci Decoded

The Divine Code of Da Vinci, Fibonacci, Einstein & YOU is a profound accomplishment and contribution to the future of humanity. It is great that all this information is compiled in one place and provides the foundation and inspiration for us to apply the Divine Code. Thank you.

Debra Reynolds
Founder of The Children's Dignity Project

The Divine Proportion is a scale of proportions which makes the bad difficult [to produce] and the good easy.

Albert Einstein

(The Golden Ratio is) The Secret of the Universe.


In response to the question Are you a fan of the Fibonacci Sequence? Bono replied: How can you not be? It’s everywhere; it’s all around.

...The Fibonacci Series... shows up all over the place in Nature; nobody knows exactly why...

MIT Professor Noam Chomsky, world-renowned linguist, political analyst and author, Manufacturing Consent

...PHI (1.618) is the Most Beautiful Number in the Universe...

Robert Langdon, from Dan Brown’s runaway bestseller The Da Vinci Code

I learned about the Golden Mean when I was about five years old... it greatly fascinated me.

Dr. Murray Gell-Mann, world-renowned physicist, Nobel Prize winner and author, The Quark and the Jaguar

Nature’s Path of Least Resistance and Maximum Performance follows the Golden Mean.

Dr. Ron Sandler, peak performance pioneer and author, Consistent Winning

The single most important biological structure, the DNA molecule, is in PHI (Golden Ratio) proportion.

Stephen Ian McIntosh
, Integral theorist and author, Integral Consciousness and the Future of Evolution

The great Golden Spiral seems to be Nature’s way of building quantity, without sacrificing quality.

William Hoffer, author, Midnight Express and Not Without My Daughter

[The Golden Mean] is a reminder of the relatedness of the created world to the perfection of its source and of its potential future evolution.

Robert Lawlor, sacred geometer and author, Sacred Geometry: Philosophy and Practice

The Fibonacci Sequence is a metaphor of the human quest for order and harmony among chaos.

Mario Merz, modern Italian Divine Code artist