The Donis Controversy

Augustine cind of has three major controversies in his life that he battles theologically. One is with the manicheans, then with the donatus, and then with the pelagians later. Soar the donis controversy, broght abut a lot of questions related to the fact that there were priests who performed sacraments and those same priests later apostatize or fell away from the faith. The efficacy of the sacrament is not dependent on the character of the person administering it. It's not like it's there sacrament, but it's god's sacrament.