首楞嚴義疏注經 1.529

1.529

二、就因顯其唯塵，二：一、正示唯塵，二：一、例對五塵顯。

Second, revealing that it is merely dust based on causes, which has two parts: first, directly showing it is merely dust, with two subparts: first, revealing it by analogy with the five dusts.