Deuteronomy 5:15
King James Version
“And remember that thou wast a servant in the land of Egypt, and the LORD thy God brought thee out thence through a mighty hand and by a stretched out arm: therefore the LORD thy God commanded thee to keep the sabbath day.”
Context
12Keep the sabbath day to sanctify it, as the LORD thy God hath commanded thee.
13Six days thou shalt labour, and do all thy work:
14But the seventh day the sabbath of the LORD thy God: thou shalt not do any work, thou, nor thy son, nor thy daughter, nor thy manservant, nor thy maidservant, nor thine ox, nor thine ass, nor any of thy cattle, nor thy stranger that within thy gates; that thy manservant and thy maidservant may rest as well as thou.
15And remember that thou wast a servant in the land of Egypt, and the LORD thy God brought thee out thence through a mighty hand and by a stretched out arm: therefore the LORD thy God commanded thee to keep the sabbath day.
16Honour thy father and thy mother, as the LORD thy God hath commanded thee; that thy days may be prolonged, and that it may go well with thee, in the land which the LORD thy God giveth thee.
17Thou shalt not kill.
18Neither shalt thou commit adultery.