Truly He taught us to love one another. His law is love and His Gospel is Peace.

The earth is filled with your love, Lord; teach me your decrees. - Psalm 119:64

For the entire law is fulfilled in keeping this one command: “Love your neighbor as yourself.” - Galatians 5:14

Let no debt remain outstanding, except the continuing debt to love one another, for whoever loves others has fulfilled the law. - Romans 13:8