Martin Luther insisted that sinners are declared righteous before God by a righteousness that is not their own but is freely given to them by Christ. In this clip, R.C. Sproul expounds on Luther’s teaching and explains why it’s important for believers today. Dr. Sproul’s teaching series What Is Reformed Theology? is available to stream for free on Ligonier’s YouTube channel. Watch and share all 12 classic messages using the link on this video.