Cheongong entered Sinbulsan Mountain in Gyeongsangnam-do at the age of 33 and only returned to the world at the age of 50, after seventeen years of practicing meditation. Afterwards, he established the Jungbubsidae Culture Foundation and began his YouTube lectures to fight the absurdities and mistaken practices that can be seen throughout society. His lectures have become popular, drawing 180 million views in six years. Even now, his lectures deeply touch the Korean communities in Japan, China, the United States, Australia and Italy.