10 distinct Hebrew words appear in this verse.

• Covenant
• Justice and Mercy
• Truth

3 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1Thess 5:24 — Faithful is he that calleth you, who also will do it.
• Deut 7:12 — Wherefore it shall come to pass, if ye hearken to these judgments, and keep, and do them, that the LORD thy God shall keep unto thee the covenant and the mercy which he sware unto thy fathers:
• Exod 34:6 — And the LORD passed by before him, and proclaimed, The LORD, The LORD God, merciful and gracious, longsuffering, and abundant in goodness and truth,
• Gen 12:2 — And I will make of thee a great nation, and I will bless thee, and make thy name great; and thou shalt be a blessing:
• Gen 17:7 — And I will establish my covenant between me and thee and thy seed after thee in their generations for an everlasting covenant, to be a God unto thee, and to thy seed after thee.
• Gen 26:3 — Sojourn in this land, and I will be with thee, and will bless thee; for unto thee, and unto thy seed, I will give all these countries, and I will perform the oath which I sware unto Abraham thy father
• Gen 28:13 — And, behold, the LORD stood above it, and said, I am the LORD God of Abraham thy father, and the God of Isaac: the land whereon thou liest, to thee will I give it, and to thy seed;
• Heb 6:13 — For when God made promise to Abraham, because he could swear by no greater, he sware by himself,
• John 1:17 — For the law was given by Moses, but grace and truth came by Jesus Christ.
• Luke 1:54 — He hath holpen his servant Israel, in remembrance of his mercy;
• Luke 1:72 — To perform the mercy promised to our fathers, and to remember his holy covenant;
• Luke 1:72 — To perform the mercy promised to our fathers, and to remember his holy covenant;
• Luke 24:27 — And beginning at Moses and all the prophets, he expounded unto them in all the scriptures the things concerning himself.
• Num 23:19 — God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?
• Ps 43:3 — O send out thy light and thy truth: let them lead me; let them bring me unto thy holy hill, and to thy tabernacles.
• Ps 61:7 — He shall abide before God for ever: O prepare mercy and truth, which may preserve him.
• Ps 69:13 — But as for me, my prayer is unto thee, O LORD, in an acceptable time: O God, in the multitude of thy mercy hear me, in the truth of thy salvation.
• Ps 71:22 — I will also praise thee with the psaltery, even thy truth, O my God: unto thee will I sing with the harp, O thou Holy One of Israel.
• Ps 85:10 — Mercy and truth are met together; righteousness and peace have kissed each other.
• Ps 105:42 — For he remembered his holy promise, and Abraham his servant.
• Ps 117:2 — For his merciful kindness is great toward us: and the truth of the LORD endureth for ever. Praise ye the LORD.
• Ps 119:90 — Thy faithfulness is unto all generations: thou hast established the earth, and it abideth.
• Rev 15:3 — And they sing the song of Moses the servant of God, and the song of the Lamb, saying, Great and marvellous are thy works, Lord God Almighty; just and true are thy ways, thou King of saints.
• Rom 3:4 — God forbid: yea, let God be true, but every man a liar; as it is written, That thou mightest be justified in thy sayings, and mightest overcome when thou art judged.
• Rom 11:28 — As concerning the gospel, they are enemies for your sakes: but as touching the election, they are beloved for the fathers’ sakes.
• Rom 15:8 — Now I say that Jesus Christ was a minister of the circumcision for the truth of God, to confirm the promises made unto the fathers: