瑜伽論記 4.121

4.121

五、四道門，基師解云：了相、勝解、觀察作意通於方便勝進二道；遠離作意唯無間道；攝樂作意通四道；加行究竟作意通無間勝進道；第七作意唯解脫道。此依二乘修習四道，後品所有加行無間等皆前品勝進道故。菩薩不然，剎那剎那容具四故，義准應知。今依離諸地，了相、勝解故通勝進引生無間，觀察作意亦通加行，後品無間是前品勝進，故說第六亦通勝進，通依九地并七門作意實義如是。

Fifth, the gate of the four paths: Master Ji explains: "[Mental applications of] apprehending characteristics, resolute intention, and examination extend to the two paths of expedients and progressive excellence; the mental application of detachment is exclusively the uninterrupted path; the mental application of taking in delight extends to the four paths; the mental application of ultimate preparatory application extends to the uninterrupted path and the path of progressive excellence; the seventh mental application is exclusively the path of liberation. This is based on the cultivation of the four paths in the two vehicles, because all the preparatory application, uninterrupted path, etc., of a subsequent grade are the path of progressive excellence of the preceding grade. For bodhisattvas it is not so, since moment by moment they may possess all four; this should be understood by analogy. Now, based on detaching from the various stages, because apprehending characteristics and resolute intention induce the uninterrupted [path], they extend to progressive excellence; the mental application of examination also extends to preparatory application; the uninterrupted path of a subsequent grade is the progressive excellence of the preceding grade, and hence it is said that the sixth also extends to progressive excellence. The actual meaning based generally on the nine stages and the seven gates of mental application is like this."