And on their behalf he added that night a special prayer to the usual quarter-of-an-hour's supplication before meat, and would have tacked another to the end of the grace, had not his young mistress broken in upon him with a hurried command that he must run down the road, and, wherever Heathcliff had rambled, find and make him re-enter directly!

He was saying an endless grace before eating when his young mistress broke in upon him with a hurried command that he must run down the road, find Heathcliff, and make him return directly!
