9638. 'There shall be two hands to one board' means the power from it, that is to say, through truth from good. This is clear from the meaning of 'hands' or 'tenons' as power, dealt with in 878, 3387, 4931-4937, 5327, 5328, 6292, 6947, 7011, 7188, 7189, 7518, 7673, 8050, 8153, 8281, 9133; and all power comes through truth from good, 6344, 6423, 9327, 9410.