瑜伽論記 16.161

16.161

二、欲色、欲為義者，鼻舌二根通二界繫，以香味唯欲界故。三、欲色界繫義、亦爾者，眼耳身三。二、欲色界繫及不繫、以三界繫及不繫為義者，謂喜樂。七、三界繫不繫義、亦爾者，謂信等五意捨。一、色繫不繫，一切為義者，謂未知根。

Regarding 'two, [bound to] desire and form, having desire as their object': the two faculties of nose and tongue are bound to both realms, because odors and tastes exist only in the desire realm. Regarding 'three, bound to desire and form, are likewise': this refers to the three—eye, ear, and body. Regarding 'two, bound to the desire and form realms and unbound, have what is bound to the three realms and unbound as their object': this refers to joy and pleasure. Regarding 'seven, bound to the three realms and unbound, are likewise': this refers to the five beginning with faith, mind, and equanimity. Regarding 'one, bound to form and unbound, having everything as its object': this refers to the faculty of unknown-to-be-known.