Deuteronomy 5:15

15 Remember that you were a slave in the land of Egypt, and the Lord your God brought you out of there with a strong hand and an outstretched arm. That is why the Lord your God has commanded you to keep the Sabbath day.

Deuteronomy 5:15 Meaning and Commentary

Deuteronomy 5:15

And remember that thou wast a servant in the land of Egypt,
&c.] Even a bondservant; for Egypt was an house of bondage, and there the Israelites were made to serve in hard bondage; of which they are reminded, that their hearts might be touched with it, and inclined to show pity to persons in somewhat similar circumstances; calling to mind how sweet a little rest would have been unto them when in Egypt:

and that the Lord thy God brought thee out thence, through a mighty
hand and by a stretched out arm;
signifying that their deliverance from their state of bondage was not owing to themselves, nor to any creature, but to the mercy and kindness of God, and to his almighty power; and therefore they were under the greatest obligations to observe any command and institution of his he should think fit to make; and particularly this of the sabbath, which was made on that account, as follows:

wherefore the Lord thy God commandeth thee to keep the sabbath day;
in commemoration of their rest from Egyptian bondage.

Deuteronomy 5:15 In-Context

13 You are to labor six days and do all your work,
14 but the seventh day is a Sabbath to the Lord your God. You must not do any work-you, your son or daughter, your male or female slave, your ox or donkey, any of your livestock, or the foreigner who lives within your gates, so that your male and female slaves may rest as you do.
15 Remember that you were a slave in the land of Egypt, and the Lord your God brought you out of there with a strong hand and an outstretched arm. That is why the Lord your God has commanded you to keep the Sabbath day.
16 Honor your father and your mother, as the Lord your God has commanded you, so that you may live long and so that you may prosper in the land the Lord your God is giving you.
17 Do not murder.