https://en.wikipedia.org/wiki/Three_teachings
https://www.reuters.com/article/us-usa-china-pompeo/pompeo-hopeful-chinas-confucius-institutes-will-be-gone-from-u-s-by-year-end-idUSKBN25S6AV
https://en.wikipedia.org/wiki/Three_teachings
https://www.reuters.com/article/us-usa-china-pompeo/pompeo-hopeful-chinas-confucius-institutes-will-be-gone-from-u-s-by-year-end-idUSKBN25S6AV