Patanjali Yoga Sutra 2.29
Sanskrit Sutra
यम-नियमासन-प्राणायाम-प्रत्याहार-धारणा-ध्यान-समाधयोऽष्टावङ्गानि॥२९॥
Swami Vivekananda's translation
Yama, Niyama, Āsana, Prānāyāma, Pratyāhāra, Dhāranā, Dhyāna, and Samādhi are the eight limbs of Yoga.
Chapter link: Yoga Sutra Chapter 2

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