Hagar and Sarah and Philosophy and Theology
Just as Hagar was the servant of Sarah, as the treasures of Egypt were employed by the Israelites for the adornment of the tabernacle, as the wise men from the East placed their gifts at the feet of the child in Bethlehem, so, in the opinion of the church fathers, philosophy was the servant of theology.
Herman Bavinck, John Bolt, and John Vriend, Reformed Dogmatics: Prolegomena, vol. 1 (Grand Rapids, MI: Baker Academic, 2003), 608.