大般涅槃經義記 3.361

3.361

就初段中，先明自知，「我為」已下明問為他。於菩提中決意求實名「大勇者」。我為此人「問於無垢清淨行處」，證實之智是其無垢清淨之行，真性三歸是其行處。

Within the first part, he first explains his own knowledge; from 'I, for the sake of' onward, he explains that his asking was for others. One who is resolute in seeking the real within bodhi is called a 'greatly valiant one.' For this person, 'I asked about the place of unstained, pure practice'—the wisdom that realizes the real is this unstained, pure practice, and the true-nature Three Refuges are the place of this practice.