仁王般若經疏 3.70

3.70

善男子下，習忍內大段第二，更解三十心前外凡十善，舉失顯得也。就文有六句：初法說，明外凡菩薩行十善由有進退。譬如下，第二舉輕毛喻，善趣見理未明，數數退大住小乘，似彼輕毛隨風動轉不能正住。是諸菩薩下，第三合喻。雖以十千劫下，第四明十千劫有所得心行十正道亦不得進位也。發菩提心下，第五明發無所得心得入習忍位也。亦常學下，第六結是不定人，不可名字也。

From “Good sons!” onwards is the second major division within the patience of practice, which further explains the external ordinary persons [practicing] the ten virtues prior to the thirty minds, adducing failures to reveal attainments. In the text there are six sentences: first, the exposition of the doctrine, clarifying that external ordinary bodhisattvas practicing the ten virtues still have progress and retrogression; from “just as” onwards is the second, presenting the simile of the light feather: in the wholesome destinies, the seeing of principle is not yet clear, and they repeatedly retrogress from the Great Vehicle to abide in the Small Vehicle, resembling that light feather that shifts with the wind and cannot remain upright; from “All these bodhisattvas” onwards is the third, matching the simile; from “although [they practice] for ten thousand kalpas” onwards is the fourth, clarifying that if one practices the ten correct paths for ten thousand kalpas with a mind of apprehension, one still cannot advance in stage; from “generating the minds of bodhi” onwards is the fifth, clarifying that by generating the mind of non-apprehension, one is able to enter the stage of the patience of practice; from “they also constantly study” onwards is the sixth, concluding that these are indefinite persons who cannot be designated by name.