210. When all the five sheaths have been eliminated by the reasoning, what remains is the Witness, the Knowledge Absolute – the Atman.
211. This self-effulgent Atman which is distinct from the five sheaths, the Witness of the three states, the Real, the Changeless, the Untainted, the everlasting Bliss – is to be realised by the wise man as his own Self.
Source: Vivek Choodamani by Adi Shankaracharya