Yamas and Niyamas constitute the ethical foundation of yoga practice forming the first two limbs of Patanjali’s eight-limbed path outlined in the Yoga Sutras. The five Yamas govern our relationships with others: Ahimsa (non-violence) practicing compassion toward all beings; Satya (truthfulness) communicating and living honestly; Asteya (non-stealing) respecting others’ possessions time and energy; Brahmacharya (moderation) using energy wisely; and Aparigraha (non-possessiveness) practicing non-attachment and gratitude. The five Niyamas guide personal observances: Saucha (cleanliness) maintaining purity of body mind and environment; Santosha (contentment) cultivating gratitude and acceptance; Tapas (discipline) embracing effort that transforms; Svadhyaya (self-study) reflecting on habits patterns and studying sacred texts; and Ishvara Pranidhana (surrender) dedicating practice to something greater than oneself. Rather than rigid commandments these principles offer evolving guidelines for living mindfully and reducing suffering. Practitioners typically begin by observing these principles in obvious external ways gradually refining their understanding to subtler internal applications creating harmony in relationships self-development and spiritual growth.