Having spent several weeks looking at how they began to rethink Christian authority as Evangelical Christians, Matt Swaim and Ken Hensley begin to unpack the three-legged stool of Sacred Scripture, Sacred Tradition, and the Magisterium that function as the guiding authority for the Catholic Church.

The three cannot be separated. Sacred Scripture is preserved and interpreted through Sacred Tradition, and then taught actively by the Magisterium. Pull any of those legs off of the stool, and division and chaos ensue.