淨名經集解關中疏 2.131

2.131

舍利弗言善哉善哉。天女汝何所得以何為證辯乃如是　三明證不證別文二。此初問文也。肇曰。善其所說非已所及。故問得何道證何果辯乃如是乎。

Śāriputra said: "Excellent, excellent! Goddess, what have you attained, and by what realization is your eloquence like this?" (Third, distinguishing between realization and non-realization, in two sections. This is the first, the question. [Seng]zhao says: "He praises what she said as something beyond his own reach, and therefore asks what path she has attained and what fruit she has realized that her eloquence is like this.")