Romans 14:19

Therefore let us aim at whatever makes for peace and mutual upbuilding of character.

Romans 15:2

Let each of us endeavour to please his fellow Christian, aiming at a blessing calculated to build him up.

Romans 12:18

If you can, so far as it depends on you, live at peace with all the world.

Hebrews 12:14

but may rather be restored. Persistently strive for peace with all men, and for that growth in holiness apart from which no one will see the Lord.

1 Corinthians 14:26

What then, brethren? Whenever you assemble, there is not one of you who is not ready either with a song of praise, a sermon, a revelation, a 'tongue,' or an interpretation. Let everything be done with a view to the building up of faith and character.

Ephesians 4:29

Let no unwholesome words ever pass your lips, but let all your words be good for benefiting others according to the need of the moment, so that they may be a means of blessing to the hearers.

Philippians 2:1-4

If then I can appeal to you as the followers of Christ, if there is any persuasive power in love and any common sharing of the Spirit, or if you have any tender-heartedness and compassion, make my joy complete by being of one mind,

Matthew 5:9

"Blessed are the peacemakers, for it is they who will be recognized as sons of God.

Mark 9:50

Salt is a good thing, but if the salt should become tasteless, what will you use to give it saltness? Have salt within you and live at peace with one another."

1 Corinthians 7:15

If, however, the unbeliever is determined to leave, let him or her do so. Under such circumstances the Christian man or woman is no slave; God has called us to live lives of peace.

1 Corinthians 10:33

That is the way that I also seek in everything the approval of all men, not aiming at my own profit, but at that of the many, in the hope that they may be saved.

1 Corinthians 14:12-17

Therefore, seeing that you are ambitious for spiritual gifts, seek to excel in them so as to benefit the Church.

2 Corinthians 13:11

Finally, brethren, be joyful, secure perfection of character, take courage, be of one mind, live in peace. And then God who gives love and peace will be with you.

Ephesians 4:3-7

in the uniting bond of peace, the unity given by the Spirit.

Colossians 3:12-15

Clothe yourselves therefore, as God's own people holy and dearly loved, with tender-heartedness, kindness, lowliness of mind, meekness, long-suffering;

1 Thessalonians 5:11-12

Therefore encourage one another, and let each one help to strengthen his friend, as in fact you do.

1 Timothy 1:4

and the attention they bestow on mere fables and endless pedigrees, such as lead to controversy rather than to a true stewardship for God, which only exists where there is faith. And I make the same request now.

2 Timothy 2:22

Keep a strong curb, however, on your youthful cravings; and strive for integrity, good faith, love, peace, in company with all who pray to the Lord with pure hearts.

James 3:13-18

Which of you is a wise and well-instructed man? Let him prove it by a right life with conduct guided by a wisely teachable spirit.

1 Peter 3:11

Let him turn from evil, and do good; Let him inquire for peace and go in pursuit of it.

2 Corinthians 12:19

You are imagining, all this time, that we are making our defense at your bar. In reality it is as in God's presence and in communion with Christ that we speak; but, dear friends, it is all with a view to your progress in goodness.

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 you can, so far as it depends on you, live at peace with all the world.
Romans 15:2
Let each of us endeavour to please his fellow Christian, aiming at a blessing calculated to build him up.
Ephesians 4:3
in the uniting bond of peace, the unity given by the Spirit.
Philippians 2:4
each fixing his attention, not simply on his own interests, but on those of others also.