 Yü (1981:83) says this ancient association between the po soul and the "growing light of the new moon is of tremendous importance to our understanding of certain myths related to the seventh day of the months."
<clarity>  Yü (1981:83) says this ancient association between the po soul and the "growing light of the new moon is of tremendous importance to our understanding of certain myths related to the seventh day of the months."
 Yü says this ancient association between the po soul and the "growing light of the new moon is of tremendous importance to our understanding of certain myths related to the seventh day of the months."