十不二門指要鈔 2.37

2.37

三、秖緣下，明事極理亡。理顯等者，對隱名因、稱顯為果，顯已無對，果名豈存？果能稱實，名尚不存。因既屬權，故宜雙廢。又對因果事立理融之，所對既泯、能融自亡。

Third, from "Simply because..." downward, explaining that when phenomena reach their culmination, the principle perishes. As for 'the principle becomes manifest' and so forth: in contrast to concealment it is called cause, and matching manifestation it is called effect; once manifestation has no opposite, how could the name of effect remain? The effect can correspond to the real, yet its name does not even remain. Since the cause pertains to the expedient, both should properly be discarded. Furthermore, based on cause and effect, phenomena are established and the principle harmonizes them; once what is matched is obliterated, that which harmonizes naturally perishes.