十不二門指要鈔 2.117

2.117

二、身尚下，會三輪。雖知權實相冥、真應互即，儻三業尚殊則色心不泯，故會身說，令知身口本融，以二等意使色心不二，方名即應見法不動而施，靈山見聞無不爾也。

Second, from "if the body still" onward, converging the three wheels. Although one knows that expedient and real are mutually dark-fused and true and response are mutually identical, if the three karmas are still different, then form and mind are not obliterated. Therefore, body and preaching are converged, making it known that body and mouth are fundamentally fused. Using the intention of the equality of the two to make form and mind nondual is what is called seeing the Dharma in the response body without moving while deploying [transformations]; seeing and hearing on Vulture Peak are all like this.