成唯識論了義燈 2.44

2.44

Answer: First, according to the Ancient Sarvāstivāda, gross matter is formed by seven paramāṇus: because they are close to one another, they resemble a single appearance. In actuality, the seven paramāṇus each individually form gross matter; they do not speak of mutual assistance. According to the teachers of the New Sarvāstivāda, their seven paramāṇus gather in the same aggregation and are close to one another, mutually assisting and imparting power, each forming its large appearance; it is not by combining into an appearance through resemblance that it first becomes gross. Furthermore, as with forms such as long and short, there is an appearance of a long paramāṇu and an appearance of a short paramāṇu. However, within this school, short form can exist within long form, unlike the dharmas of light and heavy, where the heavy definitely lacks lightness and the light definitely lacks heaviness; they do not form light and heavy through mutual relativity, but merely say that what cannot be weighed is called light, and what can be weighed is called heavy. Therefore: