84:4.9

However foolish these olden notions were, they did some good since they gave overworked females, at least when young, one week each month for welcome rest and profitable meditation. Thus could they sharpen their wits for dealing with their male associates the rest of the time. This quarantine of women also protected men from over-sex indulgence, thereby indirectly contributing to the restriction of population and to the enhancement of self-control.