WSC Q.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 glory and their own good) to all such as keep this commandment. (Deut. 5:16, Eph. 6:2–3)
WLC Q.126: What is the general scope of the fifth commandment?
The general scope of the fifth commandment is, the performance of those duties which we mutually owe in our several relations, as inferiors, superiors, or equals. (Eph. 5:21, 1 Pet. 2:17, Rom. 12:10)