Satya — Truthfulness (Yoga Sutras)
Satya (Truthfulness) in Patanjali's Yoga Sutras — the second Yama and cornerstone of ethical practice.
Satya, the principle of truthfulness, is the second ethical restraint in Patanjali's eight-limbed system. Patanjali teaches that complete alignment of thought, word, and deed with reality — speaking and thinking only what is true, and living in a way that reflects one's deepest convictions — generates a quality of presence that makes one's words inherently effective. Sutra 2.36 states that when one is perfectly established in truthfulness, their words carry immediate creative power: 'satya pratishthayam kriya phala ashrayatvam.' This is because a person whose inner reality perfectly matches their outer expression is operating without the energy drain of self-deception or social performance. Every spiritual tradition identifies truthfulness as foundational precisely because the gap between inner truth and outer expression is itself the mechanism of spiritual obscuration.
When established in truthfulness, actions achieve their fruits directly.
Communication researcher Albert Mehrabian's studies on congruence in communication confirm that when verbal content, tone, and body language are all aligned — the condition Satya produces — the message is received with far greater clarity and impact than when any element is incongruent.
Yoga Sutras of Patanjali