Mark 9:50

Salt is good; but if the salt shall have become saltless, by what means will you season it? Have salt in your selves, and be at peace with one another.

Romans 12:18

If possible, as far as may be in your power, be at peace with all men.

Matthew 5:13

You are the salt of the earth: but if the salt has become tasteless, by what means shall it become salt again? It is then good for nothing but to be thrown out and trod upon by men.

2 Corinthians 13:11

Finally, brethren, farewell; be perfect, be comforted, be of the same mind, be at peace; and the God of love and of peace will be with you.

Colossians 4:6

Let your speech be always with grace, seasoned with salt, that you may know how you ought to answer every one.

Luke 14:34-35

Salt is good; but if the salt become taste less, by what means shall it become salt again?

Ephesians 4:29

Let no impure speech come out of your mouth, but whatever is good for needful edification, that it may give grace to the hearers:

1 Thessalonians 5:13

and that you esteem them very highly in love on account of their work. Be at peace among yourselves.

Hebrews 12:14

Follow peace with all, and holiness, without which no man shall see the Lord;

Mark 9:34

But they were silent. For they had been disputing with one another along the road which was greatest.

John 13:34-35

A new commandment I give to you, That you love one another; as I have loved you, that you also love one another.

John 15:17-18

These things I command you, that you may love one another.

Romans 14:17-19

For the kingdom of God is not food and drink, but righteousness and peace and joy in the Holy Spirit.

Galatians 5:14-15

For all the law is fulfilled in one commandment, in this: You shall love your neighbor as yourself.

Galatians 5:22

But the fruit of the Spirit is love, joy, peace, long-suffering, gentleness, goodness, faithfulness,

Ephesians 4:2-6

with all lowliness and meekness, with long-suffering, bearing with one another in love,

Ephesians 4:31-32

Let all bitterness and anger and wrath and clamor and impious speaking be put away from you, with all malice:

Philippians 1:27

Only conduct yourselves in a manner worthy of the gospel of the Christ, that, whether I come and see you, or be absent, I may hear of your affairs, that you stand fast in one spirit, with one soul striving together for the faith of the gospel,

Philippians 2:1-3

If, therefore, there is any consolation in Christ, if any comfort arising from love, if any participation of the Spirit, if any affections and mercies,

Colossians 3:12

Put on, therefore, as the elect of God, holy and beloved, a merciful disposition, kindness, humbleness of mind, meekness, long-suffering:

2 Timothy 2:22

Shun youthful desires, and follow righteousness, faithfulness, love, peace, with those who call on the Lord out of a pure heart.

James 1:20

For the wrath of man produces not the righteousness of God.

James 3:14-18

But if you have bitter envying and strife in your hearts, glory not, and lie not against the truth.

1 Peter 3:8

Finally, be all of the same mind, be sympathizing, lovers of the brethren, kind-hearted, humble-minded;

Treasury of Scripture Knowledge

Summary

Salt is good: but if the salt have lost his saltness, wherewith will ye season it? Have salt in yourselves, and have peace one with another.

General references

Bible References

Is good

Matthew 5:13
You are the salt of the earth: but if the salt has become tasteless, by what means shall it become salt again? It is then good for nothing but to be thrown out and trod upon by men.
Luke 14:34
Salt is good; but if the salt become taste less, by what means shall it become salt again?

Have salt

Ephesians 4:29
Let no impure speech come out of your mouth, but whatever is good for needful edification, that it may give grace to the hearers:
Colossians 4:6
Let your speech be always with grace, seasoned with salt, that you may know how you ought to answer every one.

Have peace

John 13:34
A new commandment I give to you, That you love one another; as I have loved you, that you also love one another.
John 15:17
These things I command you, that you may love one another.
Romans 12:18
If possible, as far as may be in your power, be at peace with all men.
Romans 14:17
For the kingdom of God is not food and drink, but righteousness and peace and joy in the Holy Spirit.
2 Corinthians 13:11
Finally, brethren, farewell; be perfect, be comforted, be of the same mind, be at peace; and the God of love and of peace will be with you.
Galatians 5:14
For all the law is fulfilled in one commandment, in this: You shall love your neighbor as yourself.
Ephesians 4:2
with all lowliness and meekness, with long-suffering, bearing with one another in love,
Philippians 1:27
Only conduct yourselves in a manner worthy of the gospel of the Christ, that, whether I come and see you, or be absent, I may hear of your affairs, that you stand fast in one spirit, with one soul striving together for the faith of the gospel,
Philippians 2:1
If, therefore, there is any consolation in Christ, if any comfort arising from love, if any participation of the Spirit, if any affections and mercies,
Colossians 3:12
Put on, therefore, as the elect of God, holy and beloved, a merciful disposition, kindness, humbleness of mind, meekness, long-suffering:
2 Timothy 2:22
Shun youthful desires, and follow righteousness, faithfulness, love, peace, with those who call on the Lord out of a pure heart.
Hebrews 12:14
Follow peace with all, and holiness, without which no man shall see the Lord;
James 1:20
For the wrath of man produces not the righteousness of God.
James 3:14
But if you have bitter envying and strife in your hearts, glory not, and lie not against the truth.
1 Peter 3:8
Finally, be all of the same mind, be sympathizing, lovers of the brethren, kind-hearted, humble-minded;

General references

Romans 12:18
If possible, as far as may be in your power, be at peace with all men.