about ten o'clock
`` Makes me think of -- what the Good Book says , Persis . ` A little child -- ' '' He did not finish the quotation . After Persis was sure that he was asleep , she carried Celia back to her bed and renewed her watch . The doctor came in about ten o'clock and stood for a little with his fingers on his patient 's pulse . `` You 'd better not lose your sleep , Doctor , '' Persis suggested , glancing at the weary young face . `` You go into the spare room and I 'll call you if I need you . '' `` I 'm not tired , '' the doctor answered .