'Harmony' in the Bible

Grace to you and peace [inner calm and spiritual well-being] from God our Father and the Lord Jesus Christ.

when He made known to us the secret of His will. And this is in harmony with God's merciful purpose

For He Himself is our peace and our bond of unity. He who made both groups—[Jews and Gentiles]—into one body and broke down the barrier, the dividing wall [of spiritual antagonism between us],

Make every effort to keep the oneness of the Spirit in the bond of peace [each individual working together to make the whole successful].

Till we all come to the harmony of the faith, and of the knowledge of the Son of God, to full growth, to the full measure of Christ: