During a conversation between an Irishman and a Jew, the Irishman asked
how it was that the Jews were so wise.

‘Because, said the Jew, ‘we eat a certain kind of fish; and he offered
to sell one for ten dollars.

After paying his money, the Irishman received a small dried fish. He bit
into it, then exclaimed: ‘Why, this is only a smoked herring.

‘See? said the Jew. ‘You are getting wise already.