four o'clock
`` And did n't know that it was out of date , and that the requirements were completely changed after the United States entered this war , eh ? '' `` No , sir , '' answered Wallace , on the verge of a breakdown . `` I 'll decide upon your punishment later , '' announced the headmaster . `` See me here at four o'clock . Meanwhile , Wallace , be careful where you get information , and be careful how you dispense it . '' And Herbert Wallace , utterly humiliated , was glad to flee from the room . `` I do n't think , '' said the headmaster , `` that any of you will have difficulty passing the examinations .