kimasau pudgalākhyasya vastunaḥ svabhāvaḥ sarvadāstyāhosvinnāstīti yadyasti tadā nitya evāsau na hi nityo nāmānya eva kaścit api tu yaḥ svabhāvo sadāvasthāyī na vinaśyati sa nitya ucyate
Is this nature of the entity called pudgala always present or not? If it is present, then it must be eternal, for 'eternal' means nothing else but that nature which is always present [and] does not perish.