Whose righteousness is the righteousness of God, and what is our own righteousness like?
The righteousness of God is God's own righteousness, not our own. Our own righteousness is nothing but filthy rags. This righteousness comes by the faith or faithfulness of Jesus Christ unto all who believe, and Christ Himself becomes the covering, so God sees Christ, not us.
Les explains that the righteousness in view is not our own; ours is nothing but filthy rags. It is God's righteousness, which is by the faith or faithfulness of Jesus Christ unto all upon all that believe. He illustrates “upon” as being draped with a blanket or cloak that totally covers a person. When God looks at the believer, He sees that outer covering, and that covering is Christ. This is what it means to put on Christ: whatever God sees is not me or you, but Christ. Les says this happens by a work of God, not by human effort. A person cannot crucify himself, just as salvation is something God must do in the invisible realm of the Spirit. According to Romans, having put on Christ becomes His righteousness.
Even the righteousness of God which is by faith of Jesus Christ unto all and upon all them that believe: for there is no difference:
More Questions
How is God's righteousness given to all who believe?
God's righteousness is by the faith or faithfulness of Jesus Christ and is unto all and upon all who believe.