Heidelberg Catechism (1563)

Section 37: Lord’s Day 37

Zacharias Ursinus and Caspar Olevianus

Section 37: Lord’s Day 37

Question 101

May we then swear religiously by the name of God?

Yes: either when the magistrates demand it of the subjects; or when necessity requires us thereby to confirm fidelity and truth to the glory of God, and the safety of our neighbour:a for such an oath is founded on God’s word,b and therefore was justly used by the saints, both in the Old and New Testament.c

  1. a. Exodus 22:11; Nehemiah 13:25

    Exodus 22:11

    Nehemiah 13:25

    King James VersionBerean Standard Bible

  2. b. Deuteronomy 6:13; Hebrews 6:16

    Deuteronomy 6:13

    Hebrews 6:16

    King James VersionBerean Standard Bible

  3. c. Genesis 21:24; Joshua 9:15, 19; 1 Samuel 24:22; 2 Corinthians 1:23; Romans 1:9

    Genesis 21:24

    Joshua 9:15; Joshua 9:19

    1 Samuel 24:22

    2 Corinthians 1:23

    Romans 1:9

    King James VersionBerean Standard Bible

Question 102

May we also swear by saints or any other creatures?

No: for a lawful oath is calling upon God, as the only one who knows the heart; that he will bear witness to the truth, and punish me if I swear falsely;a which honour is due to no creature.b

  1. a. 2 Corinthians 1:23

    2 Corinthians 1:23

    King James VersionBerean Standard Bible

  2. b. Matthew 5:34–35

    Matthew 5:34–35

    King James VersionBerean Standard Bible