E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Do and do not; yes and no. When Pantag-ruel asked the philosopher Trouillogan whether Panurge should marry or not, the philosopher replied Yes. What say you? asked the prince. What you have heard, answered Trouillogan. What have I heard, said Pantagruel. What I have spoken, rejoined the sage. Good, said the prince; but tell me plainly, shall Panurge marry or let it alone? Neither, answered the oracle. How? said the prince; that cannot be. Then both, said Trouillogan. (Rabelais: Gargantua and Pantagruel, iii. 35.)