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Caodaism or Cao Dai is a monotheistic religion that has common roots and similarities with the Chinese Tiên Thiên Đạo beliefs and the Minh Đạo religions in Vietnamese Thanism.
Cao Đài is the most important deity, who Caodaists believe created the universe. The symbol of the faith is the Left Eye of God, representing the masculine, ordaining, postive and expansive activity of the Lord.
Followers of Caodaiism engage in ethical practices such as prayer, ancestor worship, nonviolence, and vegetarianism in order to unite with God and free themselves from the cycle of birth and death.