the origin of Yoda's speech, found is

"Coherent image out of this thing, can I get? Don't know. Since fishing for methane squid in the outer colonies, I was, not in my hands one of these is. Back then, pretty well this I could play." The sack fell away, and Leo sucked his breath between his teeth. "It pretty is!"

(Samuel R. Delany, Nova, 1968)