Complex sentence: The Sea of Faith (SoF) is a predominantly Christian movement aiming to explore and promote the idea of religious faith as a "human" creation; this includes the idea that our concept of God is a sacred but nevertheless human expression.
Split into simpler sentences: The Sea of Faith Network (SoF) is a Christian movement that aims to explore and promote the idea of religious faith as a "human" creation. It maintains that the concept of God is a sacred but nevertheless human expression.