Q. 53. Which is the third commandment?

A. The third commandment is, Thou shalt not take the name of the Lord thy God in vain: for the Lord will not hold him guiltless that taketh his name in vain.

— Westminster Shorter Catechism

Q. 52. What are the reasons annexed to the second commandment?

A. The reasons annexed to the second commandment are, God’s sovereignty over us, his propriety in us, and the zeal he hath to his own worship.

— Westminster Shorter Catechism

Q. 51. What is forbidden in the second commandment?

A. The second commandment forbiddeth the worshiping of God by images, or any other way not appointed in his word.

— Westminster Shorter Catechism

Q. 50. What is required in the second commandment?

A. The second commandment requireth the receiving, observing, and keeping pure and entire, all such religious worship and ordinances as God hath appointed in his word.