Deuteronomy 5:15
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.
Cross-reference
In Deuteronomy 5:6, the same preamble 'I am the LORD your God who brought you out of Egypt' grounds the commandments; here it specifically motivates Sabbath observance.
Deuteronomy 4:34-37 expands on the same exodus event with 'mighty hand and outstretched arm', reinforcing the historical basis for Sabbath here.
Deuteronomy 15:15 repeats the exact motivation 'remember you were a slave' to ground a command about debt release.
Deuteronomy 16:12 uses the same 'remember you were a slave' phrase to motivate observance at the Feast of Weeks.
Deuteronomy 24:18-22 applies the same 'remember slavery' reasoning to commands about leaving gleanings for the poor.
In Deuteronomy 6:21, this same redemption narrative is given as the reason to teach children — reinforcing the motive for obedience.
In Deuteronomy 24:22, this same historical reminder motivates care for the poor — a different application of the redemption principle.
In Deuteronomy 26:8, this same description of the exodus is part of the firstfruits declaration — recounting salvation history.
Isaiah 63:9 recalls God's love in redeeming Israel from Egypt, the same exodus event that Deuteronomy 5:15 uses to command Sabbath.
Exodus 13:3 commands commemorating the exodus with unleavened bread; both link a specific observance to the same redemption event.
Exodus 20:2 is the original preamble God speaks: 'I am the LORD your God who brought you out of Egypt' — quoted here to motivate Sabbath.
Exodus 20:10 gives the same Sabbath command but grounded in creation; here the motivation is redemption from Egypt, offering a complementary reason.
In 2 Kings 17:36, this same exodus deliverance is invoked as reason to worship only God — warning against idolatry.
Psalm 116:16 echoes the theme of deliverance from bondage ('freed me from my chains'), paralleling the exodus redemption that grounds Sabbath here.
Ephesians 2:11 calls Gentiles to remember their former alienation, echoing the call to remember slavery here.
Ephesians 2:12 details that alienation—separated from Christ—paralleling the memory of slavery as a past condition.