यमनियमासनप्राणायामप्रत्याहारधारणाध्यानसमाधयोऽष्टावङ्गानि I
yama-niyama-āsana-prāṇāyāma- pratyāhāra-dhāraṇā-dhyāna-samādhayaḥ-aṣṭau-aṅgāni
(Yoga IISutra 29)
https://www.artofliving.org/yoga/patanjali-yogasutra
