YSBhā zu YS, 1, 17.1, 1.5 tatra prathamaścatuṣṭayānugataḥ samādhiḥ savitarkaḥ /

YSBhā zu YS, 2, 50.1, 7.1 saṃkhyābhiḥ paridṛṣṭā etāvadbhiḥ śvāsapraśvāsaiḥ prathama udghātas tadvan nigṛhītasyaitāvadbhir dvitīya udghāta evaṃ tṛtīyaḥ evaṃ mṛdur evaṃ madhya evaṃ tīvra iti saṃkhyāparidṛṣṭaḥ //

YSBhā zu YS, 3, 44.1, 2.1 etad bhūtānāṃ prathamaṃ rūpam //