Romans 14:19

So then, let us pursue such things that produce peace and things that build one another up [spiritually].

Romans 15:2

[Instead], each of us should do what pleases his neighbor in order to accomplish something good and uplifting [in his life].

Romans 12:18

If it is at all possible, as far as your part is concerned, live peacefully with all people.

Hebrews 12:14

Actively seek to live in peace with all people. And be dedicated to God, because no one will see God without this.

1 Corinthians 14:26

So, what is the conclusion, brothers? When you people assemble together, each one of you has a psalm [to sing], or a lesson [to teach], or a [supernatural] revelation [to give], or a language [to speak supernaturally], or an interpretation [of that language]. Everything that is done should be for the building up [of the church].

Ephesians 4:29

Do not allow unwholesome [Note: The Greek word for "unwholesome" is "rotten, diseased"] language to come from your mouth, but only what is helpful for building up those who need it, so that you can impart favor [i.e., benefit] to those who listen [to you].

Philippians 2:1-4

Is there anything to be encouraged about by being in [fellowship with] Christ? Is there any comfort from His love? Is there any sharing with the Holy Spirit? [Have you received] any affection and compassion [from Christ]?

Matthew 5:9

"Those persons who attempt to make peace [between people] will be blessed because they will be called God's children.

Mark 9:50

"Salt is good, but if it loses its salty flavor, what will you use to restore it? [i.e., it is difficult to restore the "salt" of sacrificial commitment to God once it is lost]. You should have salt in yourselves [i.e., develop the qualities of preserving, purifying commitment to God], and live peacefully with one another [i.e., instead of in rivalry. See 9:33-34].

1 Corinthians 7:15

Yet if the unbelieving mate separates [from his spouse], let him go. The brother or sister is not obligated [to continue the marriage] under such circumstances. For God has called you [believers] to live in peace.

1 Corinthians 10:33

For even I myself [try] to please everyone in every way, and not to look out [just] for my own good, but [also] for the good of many people, so that they may be saved.

1 Corinthians 14:12-17

So, you people also, since you are eager for [supernatural] spiritual gifts, should look for ways to excel in building up the church.

2 Corinthians 13:11

Finally, brothers, good-bye [or, "be glad"]. Be fully restored [spiritually]. Be comforted [or, "exhort one another"]. Think alike on things. Be at peace among yourselves. And the God of love and peace will be with you.

Ephesians 4:3-7

Eagerly try to maintain the unity produced by the Holy Spirit by being bound together in peace.

Colossians 3:12-15

So, as God's elect [i.e., His people], holy and dearly loved [by Him], clothe yourselves with a heart of compassion, kindness, humility, gentleness and patience.

1 Thessalonians 5:11-12

Therefore, [continue to] encourage one another, and build each other up [spiritually], just as you are also doing.

1 Timothy 1:4

and not to listen to legends or exhaustive lists of ancestors. These [only] serve to arouse speculations, rather than [promote] God's plan which is based on faith.

2 Timothy 2:22

But run from the evil desires of youth and pursue [the practice of] right living, faith, love and peace, along with those people who call on the Lord [i.e., in prayer] from a pure heart.

James 3:13-18

Who [then] is the wise and understanding person among you? He should show by his good conduct [that he has] deeds of gentleness [stemming] from wisdom.

1 Peter 3:11

He should turn away from wrong living and do what is good. He should desire peace and do whatever it takes to maintain it.

2 Corinthians 12:19

You have been thinking all along that we have been defending ourselves [have you not]? We are [simply] speaking [the truth] before God in [fellowship with] Christ. But everything [we are doing], dear friends, is to build you up [spiritually].

Treasury of Scripture Knowledge

Summary

Let us therefore follow after the things which make for peace, and things wherewith one may edify another.

Bible References

General references

Romans 12:18
If it is at all possible, as far as your part is concerned, live peacefully with all people.
Romans 15:2
[Instead], each of us should do what pleases his neighbor in order to accomplish something good and uplifting [in his life].
Ephesians 4:3
Eagerly try to maintain the unity produced by the Holy Spirit by being bound together in peace.
Philippians 2:4
Each of you should not look out for your own interests [only], but also for those of other people.