This sermon reflects on the Sunday of the Fathers of the First Ecumenical Council and why the Orthodox Church teaches that truth matters. The sermon focuses on the warning of Saint Paul in Acts 20, where he tells the leaders of the Church to guard the flock. The danger he describes is not only outside persecution, but confusion that can arise from within the Christian community. This is a sermon about Orthodox Christianity, doctrine, spiritual vigilance, and learning to live the faith with humility.

The Fathers of the First Ecumenical Council defended the Church against the Arian heresy, which denied the full divinity of the Son of God. Their witness reminds us that the Nicene Creed is not just a historical statement or a set of religious words. It is a confession of the truth that shapes prayer, worship, salvation, and the spiritual life.  ...