大方廣佛華嚴經疏 49.7

49.7

Second, the fundamental part from "at that time..." onward. Within this, there are three: first, inquiring by citing events; next, answering by citing precedents—the answer is precisely the fundamental part; afterwards, from "having spoken these words..." onward, manifesting auspicious signs to verify and accomplish, showing that the exposition is rare and marvelous, for having merely heard its name there are already omens. The great earth shaking is because the great Dharma is about to be revealed and great delusions are about to be overturned. The emission of the light of asking the Dharma secretly empowers with wisdom to assist in launching the request.