and if he ask a fish, will give him a serpent?

For even as Jonas was in the belly of the great fish three days and three nights, thus shall the Son of man be in the heart of the earth three days and three nights.

But that we may not be an offence to them, go to the sea and cast a hook, and take the first fish that comes up, and when thou hast opened its mouth thou wilt find a stater; take that and give it to them for me and thee.