十不二門指要鈔 2.109

2.109

初、示三輪不同。三皆祕妙，非下地知，故名為密，能轉摧碾復名為輪，轉己示他摧他惑業，稱機示現毫髮不差。

First, showing the differences of the three wheels. All three are secret and wondrous, not knowable by lower stages, and hence called secret; able to turn, crush, and pulverize, they are also called wheels—turning oneself to show to others, crushing the delusions and karma of others, manifesting according to capacities without the slightest difference.