No, not a direct quote from Leonardo Fibonacci of Thirteenth Century Florence, just words based on translating his famous number sequence into letters, with A-Z = 1-26, 27-52, etc. There are two types of Fibonacci words, "natural" and "arbitrary".
"Fibonacci Words: "Howl, Sex Orgy Poet!","
Word Ways: Vol. 41
, Article 24.
Available at: http://digitalcommons.butler.edu/wordways/vol41/iss3/24