Isaiah 1:17

learn to do well; seek justice, relieve the oppressed, judge the fatherless, plead for the widow.

Jeremiah 22:3

Thus saith Jehovah: Execute ye justice and righteousness, and deliver him that is robbed out of the hand of the oppressor: and do no wrong, do no violence, to the sojourner, the fatherless, nor the widow; neither shed innocent blood in this place.

Zephaniah 2:3

Seek ye Jehovah, all ye meek of the earth, that have kept his ordinances; seek righteousness, seek meekness: it may be ye will be hid in the day of Jehovah's anger.

Isaiah 1:23

Thy princes are rebellious, and companions of thieves; every one loveth bribes, and followeth after rewards: they judge not the fatherless, neither doth the cause of the widow come unto them.

Psalm 82:3-4

Judge the poor and fatherless: Do justice to the afflicted and destitute.

Proverbs 31:9

Open thy mouth, judge righteously, And minister justice to the poor and needy.

Jeremiah 22:15-16

Shalt thou reign, because thou strivest to excel in cedar? Did not thy father eat and drink, and do justice and righteousness? then it was well with him.

Daniel 4:27

Wherefore, O king, let my counsel be acceptable unto thee, and break off thy sins by righteousness, and thine iniquities by showing mercy to the poor; if there may be a lengthening of thy tranquillity.

Micah 6:8

He hath showed thee, O man, what is good; and what doth Jehovah require of thee, but to do justly, and to love kindness, and to walk humbly with thy God?

Zechariah 7:9-10

Thus hath Jehovah of hosts spoken, saying, Execute true judgment, and show kindness and compassion every man to his brother;

Zechariah 8:16

These are the things that ye shall do: speak ye every man the truth with his neighbor; execute the judgment of truth and peace in your gates;

Treasury of Scripture Knowledge

Summary

Learn to do well; seek judgment, relieve the oppressed, judge the fatherless, plead for the widow.

Bible References

General references

Exodus 22:22
Ye shall not afflict any widow, or fatherless child.
Leviticus 25:14
And if thou sell aught unto thy neighbor, or buy of thy neighbor's hand, ye shall not wrong one another.
Leviticus 26:23
And if by these things ye will not be reformed unto me, but will walk contrary unto me;
Deuteronomy 25:1
If there be a controversy between men, and they come unto judgment, and the judges judge them; then they shall justify the righteous, and condemn the wicked;
Job 9:30
If I wash myself with snow water, And make my hands never so clean;
Proverbs 31:9
Open thy mouth, judge righteously, And minister justice to the poor and needy.

American Standard Version Public Domain