法界次第初門 2.152

2.152

Second, dedicated diligence with single-mindedness in preventing unwholesome states that have not yet arisen from arising. At the time of contemplating the four bases of mindfulness, although unwholesome states such as a mind of laxity and defilements like the five hindrances have not yet arisen, one fears that they may arise later and obstruct the five wholesome roots such as faith. Now, in order to prevent them from arising, one diligently exerts oneself with single-mindedness, skillfully obstructing and stopping them so that they do not arise.