Part 1
You can’t be “no one.” The choice is to be someone defined and confined by the limitation of thought, or to be (the) One who sees and realizes -- without having to think about it -- that (the) true Self is indefinable.
Part 2
Awakening to the truth of Self starts with this understanding, and then daring to act on it: it’s impossible to talk to yourself... and be true to your Self at the same time.