The difference is the same as between poetry and logic.
"The Expositor's Bible: The Book of Exodus"
G. A. Chadwick
"I only hope you may be better at Prophecy than you are in logic," cried Niel, as he tossed off his glass; "and so, I 'm sure, does Nelligan!"
"The Martins Of Cro' Martin, Vol. II (of II)"
Charles James Lever
What sort of logic is that?
"Contemporary One-Act Plays Compiler: B. Roland Lewis"
Sir James M. Barrie George Middleton Althea Thurston Percy Mackaye Lady Augusta Gregor Eugene Pillot Anton Tchekov Bosworth Crocker Alfred Kreymborg Paul Greene Arthur Hopkins Paul Hervieu Jeannette Marks Oscar M. Wolff David Pinski Beulah Bornstead Herma