Lord's Day 43

Question 112. What is required in the ninth commandment?
Answer. That I bear false witness [a] against no man, nor falsify [b] any man's words; that I be no backbiter, [c] nor slanderer; that I do not judge, nor join [d] in condemning any man rashly, or unheard; but that I [e] avoid all sorts of lies and deceit, as the proper works [f] of the devil, unless I would bring down upon me the heavy wrath of God; likewise, that in judgment and all other dealings I love the truth, speak it uprightly [g] and confess it; also that I defend and promote, [h] as much as I am able, the honor and good character of my neighbor.

A Brief Topical Index to the
Heidelberg Catechism Lord's Day

Lord's Day #

  1. Our Only Comfort and its Enjoyment
  2. The Knowledge of our Misery by the Law
  3. The Source of our Misery, not by Creation but by the Fall, and its Extent
  4. The Justice of God and the Necessity of Satisfaction and Atonement
  5. The Way of Satisfaction, not by any mere Creature
  6. The Mediator We Need, Jesus Christ
  7. Saved by Christ of Grace though True Faith
  8. The Triune God
  9. God the Father, Creation
  10. The Providence of God
  11. Jesus the Complete Savior
  12. Christ's Anointing and Ours in Him
  13. The Only Begotten Son, Our Lord
  14. The Birth of Christ, our Mediator
  15. Jesus Suffering an Accursed Death
  16. Jesus' Death, Burial, and Hellish Agony
  17. Jesus' Resurrection
  18. Jesus' Ascension to Glory
  19. Jesus' Exalted Glory and Coming to Judge
  20. The Holy Ghost
  21. The Church of Christ
  22. The Resurrection of the Body and Life Everlasting
  23. Righteous before God in Christ by Faith Without Works
  24. Works, Not our Righteousness but its fruit and Graciously Rewarded
  25. Faith Wrought of the Spirit by the Word and Confirmed by the Sacraments
  26. The Sign and Seal of Baptism
  27. The Washing by the Blood and Spirit of Christ, Signified, Embracing also the Infants of Believers
  28. The Sign and Seal of the Lord's Supper
  29. The Spiritual Presence of Christ, Signified, and Communion with Him
  30. The Error of the Mass and the Necessity of Supervision of the Lord's Supper
  31. The Keys of the Kingdom of Heaven, Preaching and Church Discipline
  32. The Necessity of Conversion and the Fruit of Good Works
  33. The Grace of Conversion and its Elements
  34. The Law the Rule of Gratitude and the First Commandment
  35. The Second Commandment
  36. The Third Commandment
  37. A Godly Oath in God's Name
  38. The Fourth Commandment
  39. The Fifth Commandment
  40. The Sixth Commandment
  41. The Seventh Commandment
  42. The Eighth Commandment
  43. The Ninth Commandment
  44. The Tenth Commandment and the Imperfect Christian
  45. Prayer the Chief Part of Gratitude, The Requisites of Prayer
  46. Our Father, Which Art in Heaven
  47. Hallowed be Thy Name
  48. Thy Kingdom Come
  49. Thy Will Be Done
  50. Prayer for Daily Bread
  51. Prayer for Forgiveness of sins
  52. Temptation and Deliverance, Concluding Prayer
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Scriptural Proof
  1. A false witness shall not be unpunished, and he that speaketh lies shall not escape. ... A false witness shall not be unpunished, and he that speaketh lies shall perish. Prov. 19:5,9;

    A false witness shall perish: but the man that heareth speaketh constantly. Prov. 21:28

  2. He that backbiteth not with his tongue, nor doeth evil to his neighbour, nor taketh up a reproach against his neighbour. Psa. 15:3

  3. Being filled with all unrighteousness, fornication, wickedness, covetousness, maliciousness; full of envy, murder, debate, deceit, malignity; whisperers, Backbiters, haters of God, despiteful, proud, boasters, inventors of evil things, disobedient to parents, Rom. 1:29,30

  4. Judge not, that ye be not judged. For with what judgment ye judge, ye shall be judged: and with what measure ye mete, it shall be measured to you again. And why beholdest thou the mote that is in thy brother's eye, but considerest not the beam that is in thine own eye? Or how wilt thou say to thy brother, Let me pull out the mote out of thine eye; and, behold, a beam is in thine own eye? Thou hypocrite, first cast out the beam out of thine own eye; and then shalt thou see clearly to cast out the mote out of thy brother's eye. Mat. 7:1&c;

    Judge not, and ye shall not be judged: condemn not, and ye shall not be condemned: forgive, and ye shall be forgiven: Luke 6:37

  5. Ye shall not steal, neither deal falsely, neither lie one to another. Lev. 19:11

  6. Lying lips are abomination to the LORD: but they that deal truly are his delight. Prov. 12:22;

    A righteous man hateth lying: but a wicked man is loathsome, and cometh to shame. Prov. 13:5

  7. Rejoiceth not in iniquity, but rejoiceth in the truth; 1Cor. 13:6;

    Wherefore putting away lying, speak every man truth with his neighbour: for we are members one of another. Eph. 4:25

  8. And above all things have fervent charity among yourselves: for charity shall cover the multitude of sins. 1Pet. 4:8

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