Other meanings of Samkhya
Indian philosophy
Samkhya (also Sāṃkhya) is one of the six orthodox (āstika) schools of Hindu philosophy, regarded as the oldest of the systematic philosophical traditions of India. It is a dualist system that distinguishes between puruṣa (consciousness, spirit) and prakṛti (primal matter, nature), and it teaches that liberation (kaivalya) is attained through discriminative knowledge of this distinction.
Samkhya's central tenet is the radical dualism between puruṣa (pure consciousness) and prakṛti (primordial matter). Unlike other Indian schools that posit a single ultimate reality, Samkhya argues that both consciousness and material nature are eternal and distinct. The world evolves from prakṛti when it is agitated by the presence of puruṣa, but the two are never truly united. Liberation occurs when the puruṣa realizes its absolute difference from the transformations of prakṛti.1 This dualism is often contrasted with Advaita Vedānta's non-dualism and influenced the development of classical Yoga.
Prakṛti is composed of three guṇas (qualities): sattva (purity, light), rajas (activity, passion), and tamas (inertia, darkness). These are in constant flux, giving rise to all phenomena. From prakṛti evolves the intellect (buddhi), ego (ahaṃkāra), the five sense organs, five organs of action, mind (manas), and the five subtle elements (tanmātras) and five gross elements. There are 25 principles (tattvas) in total. Puruṣa is multiple—each individual consciousness is a distinct puruṣa—yet all are identical in being pure awareness. This multiplicity of selves is a distinctive feature of Samkhya.
Samkhya accepts three valid means of knowledge (pramāṇas): perception (pratyakṣa), inference (anumāna), and testimony (śabda). It rejects the fourth pramāṇa of comparison (upamāna) accepted by the Nyāya school. The school emphasizes reasoning and analysis over ritual or devotion. Its epistemology is realist: the world is real and knowable, not illusory (māyā). The path to liberation is through viveka (discriminative knowledge) achieved by studying the tattvas and meditating on the distinction between puruṣa and prakṛti.2 This intellectual approach later influenced the Yoga school's meditative techniques.
Though Samkhya is often associated with the Sāṃkhya Kārikā of Īśvarakṛṣṇa (c. 3rd–4th century CE), the tradition is much older, with references in the Śvetāśvatara Upaniṣad and the Mahābhārata.3 A lesser-known fact is that early Samkhya was atheistic—it denied the existence of a creator God (Īśvara), whereas later Yoga incorporated God as a special puruṣa. The school's atomism regarding the subtle elements is a neglected detail. Also, Samkhya had a significant influence on the development of the Āyurveda system, especially in its theory of doṣas (humors) derived from the guṇas. The Sāṃkhya Sūtra (c. 14th century) is a later text that tries to systematize the school, but it is less authoritative than the Kārikā.
Samkhya's dualism and enumeration of tattvas profoundly shaped classical Yoga, as seen in Patañjali's Yoga Sūtras. It also influenced the Jain concept of jīva and ajīva and the Buddhist analysis of dharmas. In modern times, the Samkhya framework was adopted by the 19th-century reformer Dayananda Saraswati and by the Theosophical Society. The school's rationalist and atheistic tendencies have appealed to secular Indian philosophers.4 However, Samkhya as a living tradition waned after the medieval period, overshadowed by Vedānta and Yoga. Today, it is primarily studied as a historical system, though its concepts remain influential in Indian philosophy and psychology.
Samkhya is often considered the theoretical foundation of classical Yoga, though the two schools differ on the existence of God.
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