諸經要集 10.148

10.148

又六度經云。復有四種精進。具足智慧。何等為四。一勤於多聞。二勤於總持。三勤於樂說。四勤於正行。

Furthermore, the *Liudu jing* states: "There are four kinds of vigor that are complete with wisdom. What are the four? First is diligence in broad learning; second is diligence in dhāraṇī; third is diligence in delighting in expounding [the Dharma]; fourth is diligence in correct practice."