Abrogation of Old Covenant laws 
Christian views on the Old Covenant
Cafeteria Christianity
Evangelical counsels
Expounding of the Law by Jesus
The Great Commandment 
Law and Gospel
Law of Christ
The New Commandment of Jesus
The Pauline privilege regarding marriage 
The rule of faith of Paul the Apostle 
The Sermon on the Mount provides moral precepts that often extend beyond mere external, legal compliance. 
The unforgivable sin 
The New Testament household code