妙法蓮華經玄贊 2.17

2.17

Sixth, 'non-retrogression in expounding various teachings for various purposes and entering into various matters': that is, 'cultivating the body with loving-kindness.' The Treatise states: 'Cultivating body and mind with great loving-kindness and compassion.' This explains the reason. For what purposes do bodhisattvas expound the Dharma externally to others, and internally enter and realize phenomena? It is because through great loving-kindness and compassion they perfume and cultivate body and mind, eradicating suffering and granting joy; this reveals that practicing the two benefits is solely for the sake of loving-kindness and compassion, not due to anything else. Loving-kindness and compassion each have three kinds, as will be explained below.