There is no benefit in chemical enhancement. You may be led to believe you perceive things better, but you don’t.
Your mind needs to be in an empty state, or "Wuji" ("the ultimate of nothingness") in order for the sound to communicate to you most effectively.
Your mind needs to be in an empty state, or "Wuji" ("the ultimate of nothingness") in order for the sound to communicate to you most effectively.