eight o'clock
The Grand Duke read the message through twice , sitting on his horse without a move , his face a perfect blank . Then he thrust it into his pocket and turned once more to the two lads . `` You have done well , '' he said . `` Captain , you will see that they are brought to my quarters to-night at eight o'clock . I desire to question them . In the meantime , see that they are fed and clothed properly , for it is very cold . '' The officer saluted , and the Grand Duke rode away , closely followed by the members of his staff .