The greatest minds in church history have identified this one biblical truth as the foundation of our faith. John Calvin declared it to be "the main hinge" on which the true Christianity swings. They are describing the doctrine of justification by faith alone -- or as the reformers called it, Sola Fide.
Of the importance of this foundational truth Martin Luther wrote: "This doctrine is the head and the cornerstone. It alone begets, nourishes, builds, preserves, and defends the
-- Sola Conference 2009