Advaita is not a theory. Advaita is the nature of the ultimate truth or Brahman or God in truth.+

All the theories are based on ego, which is the false self within the illusory universe has no value as truth. The ultimate truth is based on the Soul, which is the real Self and is the cause of the illusory universe.  

Advaita is not a theory.

Advaita is the nature of the  ultimate truth or Brahman or God in truth.

Advaita is the nature of the Soul, the ‘Self’.

Advaita is the Soul itself.

Advaita is the nature of God because Rigveda says the Soul itself is God.

Advaita is nothing but God in truth.

Thus, it is time to realize the world in which we exist is created out of the Soul, which is the ‘Self’. The Soul, which is present in the form of consciousness is the cause of the world in which we exist and it, itself is uncaused. The Soul alone is real and eternal. The eternal Soul itself is God. There is no other God other than the Soul, which is present in the form of consciousness.

Realize the Soul, the Self is the ultimate truth or Brahman or God in truth.

Remember:~

The multitude of so many different theories, opinions, and fancies which prevail are merely ideas based on the dualistic perspective.

Whatever is based on the dualistic perspective is bound to be falsehood because the reality is based on the nondualistic perspective.

The duality is based on the matter whereas nonduality is based on Spirit.

The matter is nothing but an illusion created out of the Spirit. Therefore, the Spirit alone is real and eternal.

Thus, whatever is based on the Spirit is real and eternal. The is based on the matter is bound to be an illusion.

The ‘I’ is nothing but the matter.

The mind is nothing but matter.

The universe is nothing but matter.

The waking is nothing but matter.

Remember:~

The Soul, the Self is the Spirit.

From the standpoint of the Soul, the matter is an illusion created out of the Spirit.

From the standpoint of the Soul, the mind is an illusion created out of the Spirit.

From the standpoint of the Soul, the universe is an illusion created out of the Spirit.

From the standpoint of the Soul, waking is an illusion created out of the Spirit.

The one who realizes the Matter and the Spirit are one, in essence, enters the Advaitic awareness in the midst of the dualistic illusion. : ~ Santthosh Kumaar