十不二門指要鈔 2.30

2.30

First, the heading. The names 'cause' and 'effect' are general; here, with respect to opening and revealing, it is discussed solely in terms of the perfect [teaching]. Cause extends from the stage of ordinary beings up to equal enlightenment; effect is solely wondrous enlightenment. Although established successively throughout, it is strongest when considered in terms of the ultimate meaning. The three thousand realms of the true mark, when not yet manifest, are called cause; when manifest, they are called effect. Although concealment and manifestation differ, beginning and end are constantly identical; therefore it is called nondual. The meaning of 'gate' is as before.