大般涅槃經集解 19.80

19.80

案僧宗曰：性理不殊，正以隱顯為異。若捨我歸彼，是則棄本從末，非謂真歸，是以勸令深識自身當果之生。此識既審，則無始造之滯、終成之惑也。寶亮曰：我性者，是因性也。有佛性者，謂果性也。必有如此解者，審入祕密藏也。

Sengzong comments: The principle of the nature is not different; it is distinguished only by being hidden or revealed. If one abandons the self to take refuge in that external [Buddha], this is discarding the root to follow the branches, and is not called true refuge; therefore, he exhorts them to deeply recognize the arising of the future fruit in their own bodies. Once this recognition is exact, there is neither stagnation regarding the initial undertaking nor delusion regarding the final accomplishment. Baoliang says: 'My nature' is the causal nature. 'Possesses the buddhadhātu' refers to the fruition nature. One who certainly has such an understanding definitively enters the secret treasury.