Sāṃkhya: India's Oldest Systematic
Philosophy — Since Before 500 BCE
Sāṃkhya (from the Sanskrit saṃkhyā — enumeration, calculation) is the oldest surviving systematic philosophy in India, and one of the oldest in the world. Founded by the sage Kapila, it provides a complete metaphysical account of reality in 25 tattvas — fundamental principles from which all of existence is derived.
Unlike most ancient philosophical systems, Sāṃkhya is explicitly non-theistic in its classical form: it explains the universe without positing a creator god. Reality consists of two eternal, irreducible principles: puruṣa (pure consciousness) and prakṛti (primordial matter). The universe arises from the interaction of these two — and liberation (mokṣa) consists in puruṣa recognising its own nature as distinct from prakṛti.
Sāṃkhya is the philosophical foundation of classical yoga: the Yoga Sūtras of Patañjali presuppose the Sāṃkhya metaphysical framework. The three guṇas — sattva, rajas, tamas — that appear throughout Indian philosophy originate in Sāṃkhya. The tattvas also influenced Tantra and Śaiva philosophy across centuries.
The Two Fundamental Principles
पुरुष (Puruṣa)
Pure Consciousness — the witness
Puruṣa is pure, unchanging, silent consciousness. It does not act, does not think, does not perceive — it simply is. It is the luminous awareness that illuminates all experience without being involved in it. There are infinitely many puruṣas — one per being — each distinct and irreducible. Puruṣa is not God, not a soul in the Christian sense, but pure subjectivity itself.
प्रकृति (Prakṛti)
Primordial Matter — the evolving field
Prakṛti is undifferentiated, primordial nature — the source from which all physical and mental phenomena evolve. It is not dead matter; it is dynamic, self-organising, and generative. In its unmanifest state, its three constituent qualities (guṇas — sattva, rajas, tamas) are in perfect equilibrium. When puruṣa's proximity disturbs this equilibrium, the universe unfolds.
The Three Guṇas — Qualities of Nature
Sattva (सत्त्व) — luminosity, clarity, intelligence
The quality of lightness, clarity, and awareness. Dominant in intellectuals, in moments of insight, in peaceful states of mind.
Rajas (रजस्) — activity, passion, motion
The quality of energy, desire, and transformation. Dominant in ambitious people, in states of agitation, in creative or destructive activity.
Tamas (तमस्) — inertia, heaviness, obscurity
The quality of stability, dullness, and resistance. Dominant in sleep, in states of confusion or lethargy, in matter itself.
Everything in the universe — physical objects, psychological states, food, speech, activity — can be classified by which guṇa predominates. The Bhagavad Gītā devotes Chapter 14 and 18 to extended discussions of guṇa classification. The guṇas are one of Sāṃkhya's most durable contributions to Indian thought.
Sources
- • Īśvarakṛṣṇa, Sāṃkhyakārikā, translated by Gerald James Larson, Motilal Banarsidass (1979)
- • Gerald James Larson, Classical Sāṃkhya, Motilal Banarsidass (1969)
- • S. Radhakrishnan, Indian Philosophy, Vol. 2, Allen & Unwin (1927)
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