四明十義書 1.193

1.193

若觀之不已，觀成理顯、或伏或斷，名為心淨。故未淨時，名無明識陰。若已淨時，無明轉故即變為明。能造既明，所造任運自然清淨（若內觀成，以理攝事，則外境事造皆趣內心，名內心淨。若歷外境，一一事境皆為諸法所趣，名任運泯合故也）上人不許唯觀理具三千，須執觀於事造，外境歸心名修實相觀。又歷外事咸歸內心，名修唯識觀。

If one contemplates it ceaselessly, contemplation is accomplished and principle becomes manifest; whether subdued or severed, this is called purity of the mind. Thus, when not yet purified, it is called the consciousness-aggregate of ignorance; when already purified, because ignorance has transformed, it changes into illumination. When that which produces is illuminated, that which is produced is spontaneously and naturally pure. (If internal contemplation is accomplished, gathering phenomena through principle, then external phenomenal productions all converge toward the internal mind; this is called the purity of the internal mind. If passing through external objects, each phenomenal object is that toward which all dharmas converge; this is why it is called spontaneous merging.) You do not permit contemplating solely the three thousand inherently possessed in principle, but insist that one must contemplate phenomenal production, with external objects returning to the mind being called cultivating the contemplation of the true mark, and passing through external phenomena all returning to the internal mind being called cultivating the contemplation of consciousness-only.