Vedānta is not a philosophy that changes your life; it is a vision that corrects your understanding of yourself.
I am not a limited individual trying to complete myself through the world.
I am the complete, limitless Awareness in whose presence the individual, the world, and Īśvara are known.
In a little more detail:
1. What is the problem? — Ignorance (अविद्या)
I take myself to be the body–mind–person and therefore experience myself as limited, incomplete and dependent.
2. What does Vedānta do? — It gives a means of knowledge (प्रमाण)
The Upaniṣads, unfolded by a competent teacher, reveal what cannot be discovered merely by experience:
तत्त्वमसि — तत् त्वम् असि
You are That.
3. What is discovered? — I am Brahman
अहं ब्रह्मास्मि
I am Brahman—the limitless reality.
This is not becoming Brahman. I was never anything other than Brahman. The discovery is only the removal of the mistaken identification.
4. What about the world? — Mithyā (मिथ्या)
The world is not dismissed as nonexistent. It is dependent reality—dependent upon Brahman, just as a wave is dependent upon water.
5. What happens to life? — The circumstances need not change. The vision changes.
Pleasure and pain, gain and loss, success and failure continue to belong to the changing order. But their capacity to define me is understood differently.
So, in one sentence:
Vedānta is the knowledge that I am the limitless Self, and that the entire universe of changing names and forms is mithyā, dependent on that Self.
Or, even more compactly: