淨名經集解關中疏 2.253

2.253

妙臂菩薩曰。菩薩心聲聞心為二。觀心相空如幻化者。無菩薩心無聲聞心。是為入不二法門　什曰。以施報故手出無盡寶物。如五河流故名妙臂。又解曰。自利聲聞心也。利他菩薩心也。

The Bodhisattva Subāhu said, "The bodhisattva mind and the śrāvaka mind constitute duality. When one contemplates the characteristics of mind as empty, like an illusion or a transformation, there is neither bodhisattva mind nor śrāvaka mind. This is entering the dharma gate of non-duality."
Kumārajīva says, "Because of the retribution of his giving, inexhaustible treasures poured from his hands like five great rivers; hence he is named Subāhu ('Wondrous Arm')." Another explanation says, "Benefiting oneself is the śrāvaka mind; benefiting others is the bodhisattva mind."