四明十義書 1.125

1.125

但十不二門都為示於觀法大體，以今家觀法，正在內心、旁託外境，以捨旁取正，所以特取內心為總。若對說者，既云唯色，色豈不總諸法耶？

The Ten Non-Dual Gates as a whole merely show the main substance of the contemplation method; because our school's contemplation method is directly in the inner mind and secondarily entrusted to external objects, in setting aside the secondary to take up the primary, it specifically took the inner mind as the comprehensive [ground]. If spoken of in contrast, since it says 'form-only', how could form not encompass all dharmas?