The good and evil is part of the falsehood; pure and impure is part of the falsehood. No one can purify another because the duality is itself is impure and duality is created, sustained and finally dissolves as purity, which is the soul/spirit.
When one starts exploring the mystery of the self, he is still mired in habituated patterns. Limited in perception to a world projected by these patterns, he does not and cannot see things as they are because his understanding is based on the false self/ego, whereas the truth is based on the formless soul. He needs a guide, who can show how to proceed in pursuit of truth.
Mind means ignorance. Overcoming the ignorance through wisdom is the aim of the truth seeker. The Gnani is the one who is fully aware of “What is truth?” and “What is untruth?” in the midst of experience of diversity/illusion.
Gnani is fully aware of the fact that the birth, life and death are mere illusion and views all the pain and pleasure of the life as mere illusion.
The waking rise and man and his experience of the world comes into existence and dissolves into nothing in deep sleep. To the Gnani there is no world, no body, and no ego because the mind is mere mirage for Gnani.
