This knowledge saves . It is saving knowledge. In knowing the true God we are saved. It is joy to know the true One. This knowledge purifies .
All error is impurity, unholiness.
All truth is good, and all truth respecting God sanctifies, expands, elevates. This knowledge makes us useful . It is like a power within us which cannot but work. It is irrepressible. He has revealed Himself in Jesus Christ, His Son.