midnight
`` I am forgiving and most merciful , '' he said , smiling till his teeth showed . `` Observe , I do not even cast you into prison to make sure of you . Go your ways '' -LRB- he sat down and wrote rapidly -RRB- ; `` here is a pass which will enable you to visit the prisoner . At midnight I shall expect you to tell me that to-morrow you will fulfil your office . '' He handed me the paper and motioned us away . `` We are free to go ? '' said I , wonderingly .