“Through three cheese trees three free fleas flew. While these fleas flew, freezy breeze blew. Freezy breeze made these three trees freeze. Freezy trees made these trees' cheese freeze. That's what made these three free fleas sneeze.”
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Dr. Seuss 185
American children's writer and illustrator, co-founder of B… 1904–1991Related quotes

Act III, scene 2. Song.
Rollo, Duke of Normandy, or The Bloody Brother, (c. 1617; revised c. 1627–30; published 1639)
Variant: Three merry boys, and three merry boys,
And three merry boys are we,
As ever did sing in a hempen string
Under the gallow-tree.

“Wherever the bird with no feet flew, she found trees with no limbs.”

"Strange Fruit" (1939). Though Holiday's renditions made this anti-lynching song famous, it was written by Abel Meeropol (using his pseudonym "Lewis Allen").
Misattributed

As quoted by Florian Cajori, A History of Mathematics (1893) p. 303, citing Franz Schmidt, "Aus dem Leben zweier ungarischer Mathematiker Johann und Wolfgang Bolyai von Bolya," Grunert's Archiv, 48:2, 1868.

“The three-toed tree-toad
Sings his sweet ode
To the moon;
The funny bunny
And his honey
Trip in tune.”
Nocturne http://rpo.library.utoronto.ca/poem/3078.html