“Every nursery rime contains profound magical secrets which are open to every one who has made a study of the correspondences of the Holy Qabalah. To puzzle out an imaginary meaning for this ‘nonsense’ sets one thinking of the Mysteries; one enters into deep contemplation of holy things and God Himself leads the soul to a real illumination.” — Aleister Crowley in Part II – Magick from Book Four

A recent article about research shows that trying to make sense of nonsense primes the brain to better find patterns in general at “How Nonsense Sharpens the Intellect” by Benedict Carey.