Isaiah 11:5

And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.

Isaiah 25:1

O LORD, thou art my God; I will exalt thee, I will praise thy name; for thou hast done wonderful things; thy counsels of old are faithfulness and truth.

Ephesians 6:14

Stand therefore, having your loins girt about with truth, and having on the breast-plate of righteousness;

Psalm 93:1

The LORD reigneth, he is clothed with majesty; the LORD is clothed with strength, with which he hath girded himself: the world also is established, that it cannot be moved.

Isaiah 59:17

For he put on righteousness as a breast-plate, and a helmet of salvation upon his head; and he put on the garments of vengeance for clothing, and was clad with zeal as a cloke.

Hosea 2:20

I will even betroth thee to me in faithfulness: and thou shalt know the LORD.

2 Corinthians 6:7

By the word of truth, by the power of God, by the armor of righteousness on the right hand and on the left,

Hebrews 2:17

Wherefore in all things it behooved him to be made like his brethren; that he might be a merciful and faithful High Priest in things pertaining to God, to make reconciliation for the sins of the people.

1 Peter 4:1

Forasmuch then as Christ hath suffered for us in the flesh, arm yourselves likewise with the same mind: for he that hath suffered in the flesh hath ceased from sin;

1 John 1:9

If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.

Revelation 1:13

And in the midst of the seven candlesticks one like the Son of man, clothed with a garment down to the foot, and girt about the paps with a golden girdle.

Revelation 3:14

And to the angel of the church of the Laodiceans write; These things saith the Amen, the faithful and true witness, the beginning of the creation of God;

Treasury of Scripture Knowledge

Summary

And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.

Bible References

Righteousness

Isaiah 59:17
For he put on righteousness as a breast-plate, and a helmet of salvation upon his head; and he put on the garments of vengeance for clothing, and was clad with zeal as a cloke.
Psalm 93:1
The LORD reigneth, he is clothed with majesty; the LORD is clothed with strength, with which he hath girded himself: the world also is established, that it cannot be moved.
2 Corinthians 6:7
By the word of truth, by the power of God, by the armor of righteousness on the right hand and on the left,
Ephesians 6:14
Stand therefore, having your loins girt about with truth, and having on the breast-plate of righteousness;
1 Peter 4:1
Forasmuch then as Christ hath suffered for us in the flesh, arm yourselves likewise with the same mind: for he that hath suffered in the flesh hath ceased from sin;
Revelation 1:13
And in the midst of the seven candlesticks one like the Son of man, clothed with a garment down to the foot, and girt about the paps with a golden girdle.

And faithfulness

Isaiah 25:1
O LORD, thou art my God; I will exalt thee, I will praise thy name; for thou hast done wonderful things; thy counsels of old are faithfulness and truth.
Hosea 2:20
I will even betroth thee to me in faithfulness: and thou shalt know the LORD.
Hebrews 2:17
Wherefore in all things it behooved him to be made like his brethren; that he might be a merciful and faithful High Priest in things pertaining to God, to make reconciliation for the sins of the people.
1 John 1:9
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
Revelation 3:14
And to the angel of the church of the Laodiceans write; These things saith the Amen, the faithful and true witness, the beginning of the creation of God;

General references

Exodus 40:12
And thou shalt bring Aaron and his sons to the door of the tabernacle of the congregation, and wash them with water.
Psalm 9:8
And he shall judge the world in righteousness, he shall minister judgment to the people in uprightness.
Galatians 5:15
But if ye bite and devour one another, take heed that ye be not consumed one by another.