'Harmony' in the Bible

And He who searches the hearts knows what the mind of the Spirit is, because the Spirit intercedes [before God] on behalf of God’s people in accordance with God’s will.

Live in harmony with one another; do not be haughty [conceited, self-important, exclusive], but associate with humble people [those with a realistic self-view]. Do not overestimate yourself.

So then, let us pursue [with enthusiasm] the things which make for peace and the building up of one another [things which lead to spiritual growth].

Now may the God who gives endurance and who supplies encouragement grant that you be of the same mind with one another according to Christ Jesus,