Exodus 12:14

14This day shall be afor you a memorial day, and you shall keep it as a feast to the Lord; throughout your generations, as a bstatute forever, you shall keep it as a feast.

Exodus 13:9

9And it shall cbe to you as a sign on your hand and as da memorial ebetween your eyes, that the law of the Lord may be in your mouth. For with a strong hand the Lord has brought you out of Egypt.

Exodus 31:13

13“You are to speak to the people of Israel and say, ‘Above all you shall keep my Sabbaths, for this is a sign between me and you throughout your generations, that you may know that I, the Lord, sanctify you.

Numbers 16:38

38As for the censers of fthese men who have sinned at the cost of their lives, let them be made into hammered plates as a covering for the altar, for they offered them before the Lord, and they became holy. gThus they shall be a sign to the people of Israel.”

Joshua 22:27

27but to be ha witness between us and you, and between our generations after us, that we ido perform the service of the Lord in his presence with our burnt offerings and sacrifices and peace offerings, so your children will not say to our children in time to come, “You have no portion in the Lord.”’

Isaiah 55:13

13 jInstead of the thorn shall come up the cypress;
instead of the brier shall come up the myrtle;
and it shall make a name for the Lord,
an everlasting sign that shall not be cut off.”

Ezekiel 20:12

12Moreover, I gave them kmy Sabbaths, as a sign between me and them, lthat they might know that I am the Lord who sanctifies them.

Ezekiel 20:20

20and mkeep my Sabbaths holy that nthey may be a sign between me and you, that you may know that I am the Lord your God.'
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