法界次第初門 2.171

2.171

二、精進力。行是正道及諸助道法時，若精進根增長，破種種身心懈怠，成辦出世之事，是為精進力。

Second, the power of vigor. When practicing this correct path and the factors aiding the path, if the faculty of vigor increases, it demolishes all forms of physical and mental laxity and accomplishes supramundane matters; this is the power of vigor.