新華嚴經論 16.4

16.4

三配隨位因果者，還以自心根本性空無分別不動智佛為因，以進修至法空觀察智佛是果。此明體用圓滿、因果一性。以是義故，還說如來一身一心一智慧法門，明契果會因、始末無二，總以一為根本故。

3. Correlating cause and effect according to the stage: Still taking the inherently unmoving wisdom Buddha of one's own mind, of original emptiness and non-discrimination, as the cause, advancing in practice to the Contemplative Wisdom Buddha of the emptiness of dharmas is the fruition. This clarifies the perfection of essence and function, and the singular nature of cause and effect. For this reason, it still expounds the Tathāgata's Dharma approach of one body, one mind, and one wisdom, clarifying that accord with the fruition unites with the cause and that the beginning and end are non-dual, entirely taking the one as the root.