法界次第初門 1.81

1.81

二、受陰。領納所緣名為受。受有六種，謂六觸因緣生六受，但境既有違、順、非違非順之別，故六受亦各有苦受、樂受、不苦不樂受之異也。

Second, the feeling skandha. Receiving and experiencing the cognized object is called feeling. There are six kinds of feeling: namely, with the six contacts as conditions, the six feelings arise. However, since sense objects have the distinctions of being contrary, agreeable, and neither contrary nor agreeable, each of the six feelings also has the differences of painful feeling, pleasant feeling, and neither-painful-nor-pleasant feeling.