*Godel, Escher, Bach: an Eternal Golden Braid*-- Basic Books, 1970) presented Napoleon’s theorem by means of a sonnet. Perhaps you will want to have pencil and paper available to draw as you read:

**Napoleon's Theorem**by Douglas Hofstadter

Equilateral triangles three we’ll erect

Facing out on the sides of our friend ABC.

We’ll link up their centers, and when we inspect

These segments, we find tripartite symmetry.