What is Yamas Niyamas?
The Yamas and Niyamas constitute the first two limbs of Ashtanga (eight-limbed) yoga as codified in Patanjali’s Yoga Sutras, composed between 200 BCE and 400 CE. The five Yamas are ethical restraints governing external conduct: ahimsa (non-harming), satya (truthfulness), asteya (non-stealing), brahmacharya (energy moderation), and aparigraha (non-possessiveness). The five Niyamas are internal observances: saucha (purity), santosha (contentment), tapas (disciplined effort), svadhyaya (self-study), and ishvara pranidhana (surrender to the divine). Together, these ten principles form the ethical scaffolding that precedes and supports physical postures (asana), breath regulation (pranayama), and meditative concentration.
Unlike commandments imposed by external authority, the Yamas and Niyamas function as diagnostic tools—practitioners examine how their actions and habits either generate or reduce suffering. They apply across thought, speech, and action, and their interpretation has evolved through centuries of commentary from scholars including Vyasa (5th century), Vachaspati Mishra (9th century), and modern teachers like B.K.S. Iyengar and T.K.V. Desikachar.
Origins & Lineage
Patanjali’s Yoga Sutras (Sutra 2.30-2.45) established the canonical list, though earlier texts including the Shandilya Upanishad and Hatha Yoga Pradipika contain variations with ten to twelve Yamas. The Mahabharata and Buddhist Pali Canon also reference overlapping ethical precepts, suggesting a shared moral vocabulary across Indian philosophical schools during the Axial Age.
The classical commentarial tradition began with Vyasa’s Yoga Bhashya (circa 450 CE), which interpreted the Sutras through a Samkhya-Vedanta lens. Medieval scholars like Vachaspati Mishra (Tattva-Vaisharadi) and Vijnanabhikshu (Yoga-Varttika) debated whether the Yamas applied universally (sarvabhauma) or contextually. This tension persists: some lineages teach them as absolute vows, while others emphasize situational discernment.
Modern transmission to the West began through Swami Vivekananda’s 1896 Raja Yoga translation, followed by Swami Prabhavananda and Christopher Isherwood’s influential 1953 edition. B.K.S. Iyengar’s Light on Yoga (1966) and Light on the Yoga Sutras (1993) reframed them for contemporary practitioners, as did the Krishnamacharya lineage through T.K.V. Desikachar.
How It’s Practiced
Practitioners engage the Yamas and Niyamas through self-inquiry rather than rote compliance. Ahimsa might manifest as examining dietary choices, speech patterns, or internal self-criticism. Satya requires balancing honesty with compassion—a tension Patanjali addresses by subordinating all Yamas to ahimsa. Brahmacharya, historically associated with celibacy, is now often interpreted as conscious energy management in relationships and work.
Niyamas focus on personal discipline: saucha includes both physical cleanliness and mental clarity; santosha cultivates equanimity amid changing circumstances; tapas refers to sustained practice that builds resilience; svadhyaya involves scriptural study and psychological self-examination; ishvara pranidhana means orienting effort toward something larger than ego.
Many lineages recommend dedicating one to three months to contemplating a single principle, journaling observations, or bringing it into meditation. Some studios offer Yamas-Niyamas study circles using Deborah Adele’s The Yamas & Niyamas (2009) or Nicolai Bachman’s The Path of the Yoga Sutras (2011) as frameworks.
Yamas Niyamas Today
Contemporary practitioners encounter these teachings through yoga teacher training programs (most 200-hour certifications include 5-10 hours on philosophy), workshop series at urban studios, or dharma talks at retreat centers. Teachers like Judith Hanson Lasater, Richard Freeman, and Nischala Joy Devi have developed specialized curricula.
Online platforms now offer structured courses: YogaGlo, Gaia, and Insight Timer feature Yamas-Niyamas series. Annual events like Yoga Journal conferences typically include panel discussions on applying classical ethics to modern dilemmas—environmental activism, social media conduct, economic inequality.
Some sanghas practice public confession-style sharing circles where members discuss failures and insights. Others integrate the principles into karma yoga (service work), examining motivations and attachments during volunteer projects.
Common Misconceptions
The Yamas and Niyamas are not a moral purity checklist. Patanjali presents them as the foundation of yoga practice, but perfect adherence is neither expected nor possible—the work is continuous discernment. They are not synonymous with Hindu religious law; many Buddhists, Jains, and secular practitioners use similar ethical frameworks.
Brahmacharya does not mandate lifelong celibacy for householders; classical commentaries debate its scope, and most modern teachers define it as relational integrity or sexual mindfulness. Tapas is not self-punishment or ascetic extremism—Patanjali elsewhere warns against practices that harm the body.
These are not “beginner” principles to master before advancing to asana. In traditional pedagogy, ethical training occurs simultaneously with physical and meditative practice, each informing the other. They also do not supersede critical thinking—historical applications include caste discrimination and gender restrictions that contemporary practitioners rightly interrogate.
How to Begin
Start with one Yama or Niyama and observe it for 30 days without trying to change behavior—simply notice when it arises or is absent. Georg Feuerstein’s The Yoga Tradition (1998) provides scholarly context, while Donna Farhi’s Yoga Mind, Body & Spirit (2000) offers accessible guidance.
Join a Sutras study group at a local studio, or work through Edwin Bryant’s academic translation The Yoga Sutras of Patanjali (2009), which includes traditional commentaries. The Himalayan Institute and Kripalu Center offer residential programs specifically on yogic ethics.
For self-study, journal on these prompts: Where did I cause harm today, even unintentionally (ahimsa)? What truths did I avoid speaking (satya)? What am I grasping that doesn’t belong to me—time, credit, attention (asteya)? This reflective practice, sustained over months, reveals patterns more effectively than intellectual understanding alone.