四分律行事鈔資持記 2.630

2.630

界礙中，初科，前示兩界。上下，明異礙，初明界通三礙。若下，正顯界礙。文明各界通護，則顯互望不通。五下，引證。不自在者，謂有三礙。反上者，謂得自在。

In boundary obstacle, the first section: the preceding shows the two boundaries. From "Above and below" down, it clarifies the different obstacles; first it clarifies that boundaries permit the three obstacles to pass through. From "If" down, it directly reveals boundary obstacle. The text clarifies that each boundary offers overall protection, which shows that looking mutually across boundaries does not pass through. From "Five" down, it cites proof. "Not autonomous" refers to having the three obstacles. "The opposite of the above" refers to attaining autonomy.