S-A-T-O-R
A-R-E-P-O
T-E-N-E-T
O-P-E-R-A
R-O-T-A-S

The palindrome means something like “The farmer Arepo works with his plow,” with rotas, literally “wheels,” referring to the back-and-forth motion that plows make as they till. This “magic square” has delighted enigmatologists for centuries ... The magic square also reportedly kept away the devil, who traditionally (so said the church) got confused when he read palindromes.

Autor: Sam Kean