仁王般若經疏 2.110

2.110

"If one says there is not, wisdom should not be twofold" refers to skillful means wisdom and practical wisdom. "If one says there is, the noble one's wisdom should not be single." If one discusses its principle, it is neither one nor two. If it is definitively one, ordinary persons seeing the conventional should also see the ultimate. If it definitively exists, wisdom should not be single. This is precisely the objection. "Regarding the meaning of single and twofold, what is the matter with this?" is precisely the concluding question. Because the statements of single and twofold are difficult, King Moonlight posed the question; hence he says, "Regarding the meaning of single and twofold, what is the matter with this?"