---
title: "Question 66: What is the reason annexed to the fifth commandment? | Westminster Shorter Catechism"
description: "Westminster Shorter Catechism, question 66: What is the reason annexed to the fifth commandment? The reason annexed to the fifth commandment is, a promise of long life and prosperity (as far as it shall serve for God’s glo"
canonical: "https://ctkrp.org/shorter-catechism/question-66-what-is-the-reason-annexed-to-the-fifth-commandment/"
source: "https://ctkrp.org/assets/rpcna-constitution-2026.pdf#page=167"
---

# Question 66: What is the reason annexed to the fifth commandment? | Westminster Shorter Catechism

The reason annexed to the fifth commandment is, a promise of long life and prosperity (as far as it shall serve for God’s glory, and their own good) to all such as keep this commandment.

Scripture proofs: Deut. 5:16; Eph. 6:2-3.

Original source: [2026 RPCNA Constitution](https://ctkrp.org/assets/rpcna-constitution-2026.pdf#page=167)

## Related reading

- [What does “Reformed” mean?](https://ctkrp.org/learn/what-is-reformed/)
- [Westminster Confession of Faith · Chapter 19: Of the Law of God](https://ctkrp.org/confession/chapter-19-law-of-god/)
- [Westminster Shorter Catechism · Question 39: What is the duty which God requireth of man?](https://ctkrp.org/shorter-catechism/question-39-what-is-the-duty-which-god-requireth-of-man/)
- [Westminster Larger Catechism · Question 91: What is the duty which God requireth of man?](https://ctkrp.org/larger-catechism/question-91-what-is-the-duty-which-god-requireth-of-man/)
- [Question 65](https://ctkrp.org/shorter-catechism/question-65-what-is-forbidden-in-the-fifth-commandment/)
- [Question 67](https://ctkrp.org/shorter-catechism/question-67-which-is-the-sixth-commandment/)

Canonical page: https://ctkrp.org/shorter-catechism/question-66-what-is-the-reason-annexed-to-the-fifth-commandment/