摩訶止觀 6.149

6.149

謂情入、似入、真入。情入者，觸人能入，非謂散情。緣諦之觀，於似、真之前與空法塵相應。

[Answer:] They are termed emotional entrance, resemblance entrance, and true entrance. 'Emotional entrance' refers to when an ordinary person is able to enter; this does not mean dispersed emotion. It is a contemplation conditioning the truth that accords with the dust-mote of the dharma of emptiness before the resemblance and true [stages].