Now tell me this riddle, and prove you’re no ninny.

COWPER’S RIDDLE.

I am just two and two, I am warm, I am cold,

And the parent of numbers that cannot be told;

I am lawful, unlawful,—a duty, a fault,

I am often sold dear, good for nothing when bought,

An extraordinary boon, and a matter of course,

And yielded with pleasure—when taken by force.

CANNING’S RIDDLE.

There is a word of plural number,