We therefore find that the triangles and rectangles herein described, enclose a large majority of the temples and cathedrals of the Greek and Gothic masters, for we have seen that the rectangle of the Egyptian triangle is a perfect generative medium, its ratio of five in width to eight in length 'encouraging impressions of contrast between horizontal and vertical lines' or spaces; and the same practically may be said of the Pythagorean triangle
Samuel Colman, Harmonic Proportion and Form in Nature, Art and Architecture
architecture, design, golden-ratio, harmony, history-of-mathematics, nature, proportion, pythagorean, sacred-geometry