Matthew 5:24

leave there thy gift before the altar, and first go, be reconciled to thy brother, and then come and offer thy gift.

Mark 9:50

Salt is good, but if the salt is become saltless, wherewith will ye season it? Have salt in yourselves, and be at peace with one another.

Romans 12:17-18

recompensing to no one evil for evil: providing things honest before all men:

Job 42:8

And now, take for yourselves seven bullocks and seven rams, and go to my servant Job, and offer up for yourselves a burnt-offering; and my servant Job shall pray for you, for him will I accept: lest I deal with you after your folly, for ye have not spoken of me rightly, like my servant Job.

Proverbs 25:9

Debate thy cause with thy neighbour, but reveal not the secret of another;

Matthew 18:15-17

But if thy brother sin against thee, go, reprove him between thee and him alone. If he hear thee, thou hast gained thy brother.

Matthew 23:23

Woe to you, scribes and Pharisees, hypocrites, for ye pay tithes of mint and anise and cummin, and ye have left aside the weightier matters of the law, judgment and mercy and faith: these ye ought to have done and not have left those aside.

1 Corinthians 6:7-8

Already indeed then it is altogether a fault in you that ye have suits between yourselves. Why do ye not rather suffer wrong? why are ye not rather defrauded?

1 Corinthians 11:28

But let a man prove himself, and thus eat of the bread, and drink of the cup.

1 Timothy 2:8

I will therefore that the men pray in every place, lifting up pious hands, without wrath or reasoning.

James 3:13-18

Who is wise and understanding among you; let him shew out of a good conversation his works in meekness of wisdom;

James 5:16

Confess therefore your offences to one another, and pray for one another, that ye may be healed. The fervent supplication of the righteous man has much power.

1 Peter 3:7-8

Ye husbands likewise, dwell with them according to knowledge, as with a weaker, even the female, vessel, giving them honour, as also fellow-heirs of the grace of life, that your prayers be not hindered.

Treasury of Scripture Knowledge

Summary

Leave there thy gift before the altar, and go thy way; first be reconciled to thy brother, and then come and offer thy gift.

Bible References

There

Matthew 18:15
But if thy brother sin against thee, go, reprove him between thee and him alone. If he hear thee, thou hast gained thy brother.
Job 42:8
And now, take for yourselves seven bullocks and seven rams, and go to my servant Job, and offer up for yourselves a burnt-offering; and my servant Job shall pray for you, for him will I accept: lest I deal with you after your folly, for ye have not spoken of me rightly, like my servant Job.
Proverbs 25:9
Debate thy cause with thy neighbour, but reveal not the secret of another;
Mark 9:50
Salt is good, but if the salt is become saltless, wherewith will ye season it? Have salt in yourselves, and be at peace with one another.
Romans 12:17
recompensing to no one evil for evil: providing things honest before all men:
1 Corinthians 6:7
Already indeed then it is altogether a fault in you that ye have suits between yourselves. Why do ye not rather suffer wrong? why are ye not rather defrauded?
1 Timothy 2:8
I will therefore that the men pray in every place, lifting up pious hands, without wrath or reasoning.
James 3:13
Who is wise and understanding among you; let him shew out of a good conversation his works in meekness of wisdom;
James 5:16
Confess therefore your offences to one another, and pray for one another, that ye may be healed. The fervent supplication of the righteous man has much power.
1 Peter 3:7
Ye husbands likewise, dwell with them according to knowledge, as with a weaker, even the female, vessel, giving them honour, as also fellow-heirs of the grace of life, that your prayers be not hindered.

And then

Matthew 23:23
Woe to you, scribes and Pharisees, hypocrites, for ye pay tithes of mint and anise and cummin, and ye have left aside the weightier matters of the law, judgment and mercy and faith: these ye ought to have done and not have left those aside.
1 Corinthians 11:28
But let a man prove himself, and thus eat of the bread, and drink of the cup.