四明十義書 1.110

1.110

如修內觀，先用妙解了知外法同趣內心，即但於內心觀三千性德。

Just as in cultivating internal contemplation, one first uses wondrous understanding to comprehend that external dharmas equally converge toward the internal mind, and then simply contemplates the three thousand inherent virtues of the nature upon the internal mind.