Ashtangasamgraha 1.15

1.15

ityanena granthasandarbheṇā'gamaśuddhiṃ darśayitvā svayaṃ tantrakaraṇe hetumāha teṣāmiti || teṣāmagniveśādipraṇītānāṃtantrāṇāṃ ekaikaṃ tantraṃ samastavyādhisādhane sakalarogacikitsite aṃnyāpi asamapūrṇe | na hi suśrutapraṇītā kvaciccikitsā agniveśakṛte tantre jñāte jñātā bhavatyataḥ pratitantrābhiyoge tu adhyayanamātreṇaiva puruṣāyuṣasaṃkṣayo bhavati na hi taduktavidhānānuṣṭhānasyā'yurbhavatyataḥ yasmācca sugvagrahaṇārthaṃ lokasya eka evārthastantrakāraiḥ punaḥpunaḥ proktaḥ ya ekaikena proktaḥ sa evānyena | na kevalamevaṃ yāvat kvacitra tantre kaścidartho viśeṣataḥ anyena viśeṣeṇoktaḥ atastadvijñānamatidurlabham | yacca yasmācca te tantrakṛto vivakṣitārthapratyāyanaparatvādvacane śabde anādṛtā avahelāvantaḥ vacanasya mvalpatvabahutvanirapekṣāḥ arthādareṇa bahubhāṣiṇa ityarthaḥ ||