What undergirds the doctrine of justification is an emphasis upon God’s grace and mercy in Christ. Consequently, the doctrine of free justification is an instance of obedience to the first commandment, which requires that we let God be the God who freely justifies believers in Christ.

CORNELIS P. VENEMA, THE GOSPEL OF FREE ACCEPTANCE IN CHRIST: AN ASSESSMENT OF THE REFORMATION AND NEW PERSPECTIVE ON PAUL, 39.