Isaiah 1:17

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

Jeremiah 22:3

Thus saith the LORD; Execute ye judgment and righteousness, and deliver him that is laid waste out of the hand of the oppressor: and do no wrong, do no violence to the stranger, the fatherless, nor the widow, neither shed innocent blood in this place.

Zephaniah 2:3

Seek ye the LORD, all ye meek of the earth, who have performed his judgment; seek righteousness, seek meekness: it may be ye will be hid in the day of the LORD'S anger.

Isaiah 1:23

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

Psalm 82:3-4

Defend the poor and fatherless: do justice to the afflicted and needy.

Proverbs 31:9

Open thy mouth, judge righteously, and plead the cause of the poor and needy.

Jeremiah 22:15-16

Shalt thou reign, because thou closest thyself in cedar? did not thy father eat and drink, and do judgment and justice, and then it was well with him?

Daniel 4:27

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

Micah 6:8

He hath shown thee, O man, what is good; and what the LORD doth require of thee, but to do justly, and to love mercy, and to walk humbly with thy God?

Zechariah 7:9-10

Thus speaketh the LORD of hosts, saying, Execute true judgment, and show mercy and compassions every man to his brother:

Zechariah 8:16

These are the things that ye shall do; Speak ye every man the truth to 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 shalt sell aught to thy neighbor, or buy aught of thy neighbor's hand, ye shall not oppress one another:
Leviticus 26:23
And if ye will not be reformed by me by these things, but will walk contrary to me;
Deuteronomy 25:1
If there shall be a controversy between men, and they come to judgment, that the judges may 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 plead the cause of the poor and needy.