The Upanishads are hailed as one of the most profound scriptures of mankind. Departing from the ritualistic traditions of the earlier Vedic age, the Upaniṣadic sages were engaged in a radical rethinking of the nature of self and reality that was destined to deeply influence the course of religion, philosophy, and life in India and beyond. Their main purport is to attain immortality. However, an examination of the contents of the Upanisads themselves will show that they were never confined to profound philosophical doctrines. All sorts of miscellaneous ideas, injunctions, incantations, theological interpretations, conversations, traditions, and so forth, regarded at the time are secret principles, or secret teachings were assembled and set down without any sequence. This article shows how the paradoxical contents of Upanishads have baffled ancient and modern scholars alike. Ultimately the article shows that the secret of the Upanishads cannot be unlocked by human reason.
