〃You know well enough； Jack。〃
〃What？ the old story？〃
〃Yes； the same thoughts haunt me。〃
〃Ah； poor fellow！〃 said Jack； shrugging his shoulders。 〃If you would only do like me； and set all the queer things down to the account of the goblins of the mine； you would be easier in your mind。〃
〃But； Jack； you know very well that these goblins exist only in your imagination； and that； since the works here have been reopened； not a single one has been seen。〃
〃That's true； Harry； but if no spirits have been seen； neither has anyone else to whom you could attribute the extraordinary doings we want to account for。〃
〃I shall discover them。〃
〃Ah； Harry！ Harry！ it's not so easy to catch the spirits of New Aberfoyle！〃
〃I shall find out the spirits as you call them；〃 said Harry； in a tone of firm conviction。
〃Do you expect to be able to punish them？〃
〃Both punish and reward。 Remember； if one hand shut us up in that passage； another hand delivered us！ I shall not soon forget that。〃
〃But； Harry； how can we be sure that these two hands do not belong to the same body？〃
〃What can put such a notion in your head； Jack？〃 asked Harry。
〃Well； I don't know。 Creatures that live in these holes； Harry； don't you see？ they can't be made like us； eh？〃
〃But they ARE just like us； Jack。〃
〃Oh； no！ don't say that； Harry！ Perhaps some madman managed to get in for a time。〃
〃A madman！ No madman wo