勸發菩提心集 3.119

3.119

一切門者，略有四種：一離染法進、二引自法進、三淨除業、四增長智進。

All-door [vīrya]: briefly, there are four kinds: 1. vīrya that separates from defiled dharmas; 2. vīrya that induces one's own dharmas; 3. [vīrya that] purifies karma; 4. vīrya that increases wisdom.