Original sentence: Active in the ecumenical movement, Congar was once removed from teaching or publishing for a time by the Holy See, during the pontificate of Pope Pius XII.However, his reputation was rehabilitated, as he was made a cardinal, in 1994, by Pope John Paul II
Edited sentence: However, his reputation was rehabilitated, to say the least, as he was made a cardinal in 1994 by Pope John Paul II.Very active in the ecumenical movement and perhaps the first Roman Catholic to contribute seriously to that scholarly discussion, Congar was once removed from teaching or publishing for a time by the Holy See, during the pontificate of Pope Pius XII