And remember that thou wast a servant in the land of Egypt, and [that] 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.
Jewish Publication Society of America Version (JPS1917) - Deuteronomy 5:15 >And thou shalt remember that thou was a servant in the land of Egypt, and the LORD thy God brought thee out thence by a mighty hand and by an outstretched arm; therefore the LORD thy God commanded thee to keep the sabbath day.