梵網經菩薩戒本疏 4.80

4.80

六、輕重者，約境氣有濃淡，約心情有貪厭，約事緣有損益，並有輕重可知。

Sixth, regarding light and heavy: with respect to the object, the smell has strong and mild; with respect to mental disposition, there is craving and aversion; with respect to the circumstances of the matter, there is detriment and benefit. It can be understood that all these have light and heavy [degrees].