six o’clock
I may depend upon you , Jack ? '' `` Well , Harry , '' said Jack , shaking his head , `` I will do as you wish me ; but I tell you all the same , you are very wrong . '' `` Nothing venture nothing win , '' said Harry , in a tone of decision . `` To-morrow morning , then , at six o'clock . Be silent , and farewell ! '' It must be admitted that Jack Ryan 's fears were far from groundless . Harry would expose himself to very great danger , supposing the enemy he sought for lay concealed at the bottom of the pit into which he was going to descend .