" recommend including in your practice: breathwork, visualization, and sound. All three have benefits, but the simplest way to differentiate them is to know that you do breathwork for the physical benefits—to find stillness and balance, to calm yourself; visualization for the psychological benefits—to heal the past and prepare for the future; and chanting for the psychic benefits—to connect with your deepest self and the universe, for real purification. "

― Jay Shetty , Think Like a Monk: Train Your Mind for Peace and Purpose Every Day