TantraS, 2, 3.0 atra ca tarka eva yogāṅgam iti kathaṃ vivecayati iti cet ucyate yo 'yaṃ parameśvaraḥ svaprakāśarūpaḥ svātmā tatra kim upāyena kriyate na svarūpalābho nityatvāt na jñaptiḥ svayaṃprakāśamānatvāt nāvaraṇavigamaḥ āvaraṇasya kasyacid api asaṃbhavāt na tadanupraveśaḥ anupraveṣṭuḥ vyatiriktasya abhāvāt //

TantraS, 4, 12.0 na ca atra sattarkāt śuddhavidyāprakāśarūpāt ṛte anyat yogāṅgaṃ sākṣāt upāyaḥ tapaḥprabhṛteḥ niyamavargasya ahiṃsādeś ca yamaprakārasya pūrakādeḥ prāṇāyāmavargasya vedyamātraniṣṭhatvena ka iva saṃvidi vyāpāraḥ //

TantraS, 4, 20.0 ayaṃ paramārthaḥ svarūpaṃ prakāśamānam akhyātirūpatvaṃ svayaṃ svātantryāt gṛhītaṃ krameṇa projjhya vikāsonmukham atha vikasat atha vikasitam ity anena krameṇa prakāśate tathā prakāśanam api parameśvarasya svarūpam eva tasmāt na atra yogāṅgāni sākṣāt upāyaḥ //