Only be sure always to call it please research.

Plagiarize, 
Let no one else's work evade your eyes, 
Remember why the good Lord made your eyes, 
So don't shade your eyes, 
But plagiarize, plagiarize, plagiarize… 
Only be sure always to call it please research.

(Tom Lehrer, "Lobachevsky", copyright 1951)

Lyrics in full are in "Too Many Songs by Tom Lehrer", and if you click through to the Amazon link below you can get to their "Look inside" to see the whole thing.

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