The Upanishads (Easwaran's Classics of Indian Spirituality Book 2)

by Eknath Easwaran

Tradition has isolated four powerful formulaic utterances (mahavakyas) embedded in the early Upanishads. One is sarvam idam brahma, “All is Brahman” (Chandogya III.14.1), which states the foundation of mysticism: that everything is ultimately one.