Prajna

Prajna (प्रज्ञा) means “wisdom,” “insight,” or “direct understanding.” In Indian philosophy, it refers to the direct, non-conceptual knowledge of the ultimate nature of reality — the wisdom that liberates.

Overview

Prajna is one of the most important concepts in both Hindu and Buddhist philosophy. In the Upanishads, prajna is the wisdom that recognizes the identity of Atman (self) and Brahman (Absolute). In Buddhism, prajna (Pali: pañña) is the paramita (perfection) that cuts through ignorance (avidya) and realizes shunyata (emptiness). The Prajnaparamita (“Perfection of Wisdom”) literature is the philosophical heart of Mahayana Buddhism.

Philosophical Context

In the Mandukya Upanishad, prajna is the third of four states of consciousness — the deep sleep state (sushupti) where consciousness is turned inward but without objects. In the Bhagavad Gita (5.18), Krishna states that the wise (medhavi) see with equal vision (sama-darshana) — the vision of prajna. In Buddhism, prajna is the wisdom that understands the Four Noble Truths and the Twelve Links of Dependent Origination. The Heart Sutra summarizes: “Form is emptiness; emptiness is form” — the content of prajna.

Interpretations

The Advaita Vedanta identifies prajna with sakshin (witness consciousness) in its aspect of direct, non-conceptual knowledge. The Vishishtadvaita tradition interprets prajna as the knowledge of God’s form and attributes. The Vedanta tradition distinguishes three stages of attaining such knowledge: shravana (hearing the scriptures), manana (reflective reasoning), and nididhyasana (meditative contemplation). In Tibetan Buddhism, prajna is the wisdom (yeshe) that realizes sunyata (emptiness) and is the feminine counterpart to upaya (skillful means, the masculine principle).

Verification Notes

• Mandukya Upanishad on prajna as deep-sleep consciousness.
• Heart Sutra on form and emptiness.
• Bhagavad Gita 5.18 on sama-darshana.
• Audited against Wikipedia and philosophical references (September 2026).