On the Sunday between Ascension and Pentecost, the Church commemorates the Sunday of the Holy Father of the 1st Ecumenical Council which was dedicated to the unity of the Church. Shortly before His crucifixion, Christ prayed for us to be one as the Trinity is one. If we are going to be like God, then we must be committed to unity, not just in the name we call ourselves, but in the way we think about God. We must be committed to the oneness of mind with the Church.