344. What avails faith, that is, the memory-knowledge [scientia], the knowledge [cognitio], and the doctrine of faith, but that the man may become such as faith teaches? And the primary thing that it teaches is charity (Mark 12:28-35; Matthew 22:34-39). This is the end of all it has in view, and if this be not attained, what is all knowledge or doctrine but a mere empty nothing?