He became excited over the discovery that fire could be produced without fuel.

"I will tell my father of this stove.

You buy no coal, you need only a match.

Anybody will give you a match." He was taken to visit at a country-house and at once inquired how much rent was paid for it.

On being told carelessly by his hostess that they paid no rent for that house, he came back quite wild with interest that the problem was solved.