大般涅槃經義記 3.361

3.361

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.