瑜伽是大量精神技术和实践的集合，旨在整合思想，身体和精神，以实现对宇宙的启蒙或统一。通常认为是“yoga”在西方真的 Hatha 瑜珈, 上e of the many paths of 瑜珈. The different paths of 瑜珈 emphasize different approaches and techniques, but ultimately lead to the same goal of unification and enlightenment.
Though 瑜珈’s ultimate aim is lofty, its essence is practical and scientific as it emphasizes direct experience and observable results. It is not a religion, but a practice of personal inquiry and exploration. As the cultural and religious diversity of practitioners attest, 瑜伽哲学 谈到可以纳入任何信仰体系的普遍真理。