Catechisma
Heidelberg
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Lord’s Day 36

Q99. What is God's will for us in the third commandment?

That we neither blaspheme nor misuse the name of God by cursing, perjury, or unnecessary oaths, nor share in such horrible sins by being silent bystanders. In a word, that we use the holy name of God only with reverence and awe, so that we may properly confess him, pray to him, and praise him in everything we do and say.

Scripture Proofs — King James Version

1

Leviticus 24:10–17

And the son of an Israelitish woman, whose father an Egyptian, went out among the children of Israel: and this son of the Israelitish and a man of Israel strove together in the camp; And the Israelitish woman's son blasphemed the name , and cursed. And they brought him unto Moses: (and his mother's name Shelomith, the daughter of Dibri, of the tribe of Dan:) And they put him in ward, that the mind of the LORD might be shewed them. And the LORD spake unto Moses, saying, Bring forth him that hath cursed without the camp; and let all that heard lay their hands upon his head, and let all the congregation stone him. And thou shalt speak unto the children of Israel, saying, Whosoever curseth his God shall bear his sin. And he that blasphemeth the name of the LORD, he shall surely be put to death, all the congregation shall certainly stone him: as well the stranger, as he that is born in the land, when he blasphemeth the name , shall be put to death. And he that killeth any man shall surely be put to death.

2

Leviticus 19:12

And ye shall not swear by my name falsely, neither shalt thou profane the name of thy God: I am the LORD.

3

Matthew 5:37

But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.

James 5:12

But above all things, my brethren, swear not, neither by heaven, neither by the earth, neither by any other oath: but let your yea be yea; and your nay, nay; lest ye fall into condemnation.

4

Leviticus 5:1

And if a soul sin, and hear the voice of swearing, and a witness, whether he hath seen or known ; if he do not utter , then he shall bear his iniquity.

Proverbs 29:24

Whoso is partner with a thief hateth his own soul: he heareth cursing, and bewrayeth not.

5

Psalm 99:1–5

The LORD reigneth; let the people tremble: he sitteth the cherubims; let the earth be moved. The LORD great in Zion; and he high above all the people. Let them praise thy great and terrible name; it holy. The king's strength also loveth judgment; thou dost establish equity, thou executest judgment and righteousness in Jacob. Exalt ye the LORD our God, and worship at his footstool; he holy.

Isaiah 45:23

I have sworn by myself, the word is gone out of my mouth righteousness, and shall not return, That unto me every knee shall bow, every tongue shall swear.

Jeremiah 4:2

And thou shalt swear, The LORD liveth, in truth, in judgment, and in righteousness; and the nations shall bless themselves in him, and in him shall they glory.

6

Matthew 10:32–33

Whosoever therefore shall confess me before men, him will I confess also before my Father which is in heaven. But whosoever shall deny me before men, him will I also deny before my Father which is in heaven.

Romans 10:9–10

That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved. For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.

7

Psalm 50:14–15

Offer unto God thanksgiving; and pay thy vows unto the most High: And call upon me in the day of trouble: I will deliver thee, and thou shalt glorify me.

1 Timothy 2:8

I will therefore that men pray every where, lifting up holy hands, without wrath and doubting.

8

Colossians 3:17

And whatsoever ye do in word or deed, all in the name of the Lord Jesus, giving thanks to God and the Father by him.

Romans 2:24

For the name of God is blasphemed among the Gentiles through you, as it is written.