The morality which is appropriate for God's own people is expressed in the OT law, and in the person and teaching of Jesus Christ.
Relationship with God is expressed in moral terms
In the moral standards God expects of his people
See also
pp Lk 6:27-28
In God's moral laws
In God's denunciation of immorality and religious hypocrisy
In the life and teaching of Jesus Christ
The incentive for moral change lies in what God has done in redemption
In the OT
In the NT
Moral change brought about by God's work of renewal