Master Jung-Gak had kept practicing in solitary retreat for 20 years. She believes that it is essential to attain some realizations in order to instruct others. In this degenerate age, people desperately need the Dharma teachings to reduce their sufferings, however, qualified spiritual teachers are rare. Thus, Master Jung-Gak made the aspiration to cultivate fourfold disciples all over the world in order to uphold the correct Dharma and maintain its succession.