Rama story carved in wall of Shiva temple
Ellora Caves, 8th Century
1. Prajnanam Brahma (प्रज्ञानम् ब्रह्म) — “Pure Consciousness is Brahmana" or "Brahman is insight” (Aitareya Upanishad, verse 3.3)
2. Tat Tvam Asi (तत् त्वम् असि) — “You are that” or “You are the existent” (Chāndogya Upanishad, verse 6.8.7)
3. Ayam Atma Brahma (अयम् आत्मा ब्रह्म) — "This Self (Atman or soul) is Brahmana" (Māṇḍūkya Upanishad, verse 1.2)
4. Aham Brahma Asmi (अहम् ब्रह्मास्मि) - "I am Brahmana" (Bṛhadāraṇyaka Upanishad, verse 1.4.10)
The Upanishads place great emphasis on understanding the “Brahmana,” which can be defined as the divine mind (Brah + Mana). Brahmana is ananta (an + anta: infinite). The earliest Vedic texts can be dated to 6000 BC.