 (Schipper 1993:170) Grain abstention was prerequisite for the Daoist practice of yangxing "nourishing the inner nature".
<clarity>  (Schipper 1993:170) Grain abstention was prerequisite for the Daoist practice of yangxing "nourishing the inner nature".
 Grain abstention was prerequisite for the Daoist practice of yangxing "nourishing the inner nature".