Amos was at first considerably disturbed at the old man's having made this discovery.  Then, by degrees, the conviction grew upon him that this very discovery might be an important step in the direction of carrying out the work he had set himself to do.  Surely it had been permitted for that end; and here was one who would become a helper to him in the attainment of his purpose.  So, after having pondered over the matter, as he walked backwards and forwards in the little garden for some half-hour or more, he called Harry out to him, and took him into his confidence.