about three o'clock
The longer you walk , the better . When you have tired yourself , come back here . By that time , I daresay you will be ready for another sleep . We will start about three o'clock , and shall cross the frontier before it gets quite dark . Once across , we can camp comfortably where we like , or put up at a village , if we should light upon one . `` I should not go far away from here , '' he went on , as the girl at once rose and prepared to start . `` Very likely the wood may get thicker , farther in , and you might lose your way , or come across a snake ; so I should not go far out of sight .