Fishywishy.

In the Middle Ages there are three kinds of proof; from Reason, from Authority, and from Experience. We establish a geometrical truth by Reason; a historical truth, by Authority, by auctours. We learn by experience that oysters do or do not agree with us.
(C.S.Lewis)



The eldest Oyster looked at him,
But never a word he said:
The eldest Oyster winked his eye,
And shook his heavy head--
Meaning to say he did not choose
To leave the oyster-bed.
(Lewis Carroll)