Sister Joan Chittister: Two Words That Can Change the World

The Best of Oprah's Super Soul | This Episode Was Originally Published on September 20th, 2017 Life changing wisdom and insights from one of America’s key spiritual voices, Sister Joan Chittister. Sister Chittister is a Roman Catholic nun and author of over 50 books. She’s a tireless advocate of justice, peace and equality, especially for women, all over the world.