Evidence show that confession might actually have an origin in the pre-Christian religious customs of ancient Greece.
“Confession is good for the soul,” says a Scottish proverb from the mid-1600s. Most religions would agree. Verses from the Torah, the Bible and the Quran speak of the importance of confessing our sins ...
Pope Leo urged Catholics to “leave behind theological controversies” … and unite with Protestants and Orthodox “in one faith and one love.” ...