four o'clock
His mind , clearly , was occupied with grave considerations he could not discuss with anybody , least of all with women and children . But , of course , busy men must not be interrupted . For a whole hour in his corner he made no sound , and hardly any movement . But Daddy did not come at four o'clock . He was evidently deep in work . And Mother did not send for him . The carpenter 's wife , she knew , would provide a cup of tea .