Reality as Empty of Substantial Being Yet Conventionally Existent

[T]he six destinies manifest the qualities of dharmas which arises through conditioned co-arising. The two vehicles manifest emptiness. The bodhisattvas manifest conventional existence. The Buddhas manifest [the middle path of] the simultaneous identity of reality as empty of substantial Being yet conventionally existent.225 Therefore the realm of the Buddha is supreme.

Foundations of T'ien T'ai Philosophy, p 193
225
Here Chih-i is showing a correspondence between the verse of the Mūlamadhyamakakārikā 24:18, on which the threefold truth is based, and the ten dharma realms. [Whatever is dependently co-arisen/That is explained to be emptiness./That, being a dependent designation,/Is itself the middle way.] return