As Israel Travelled

Exodus 31:12  And Yehovah spake unto Moses, saying,
[13] Speak thou also unto the children of Israel, saying, Verily my sabbaths ye shall keep: for it is a sign between me and you throughout your generations; that ye may know that I am Yehovah that doth sanctify you.
[14] Ye shall keep the sabbath therefore; for it is holy unto you: every one that defileth it shall surely be put to death: for whosoever doeth any work therein, that soul shall be cut off from among his people.
[15] Six days may work be done; but in the seventh is the sabbath of rest, holy to Yehovah: whosoever doeth any work in the sabbath day, he shall surely be put to death.
[16] Wherefore the children of Israel shall keep the sabbath, to observe the sabbath throughout their generations, for a perpetual covenant.
[17] It is a sign between me and the children of Israel for ever: for in six days Yehovah made heaven and earth, and on the seventh day he rested, and was refreshed.
[18]  And he gave unto Moses, when he had made an end of communing with him upon mount Sinai, two tables of testimony, tables of stone,written with the finger of God."

Moreover also I gave them my sabbaths, to be a sign between me and them, that they might know that I am Yehovah that sanctify them."Ezekiel 20:12  
  " And hallow my sabbaths; and they shall be a sign between me and you, that ye may know that I am Yehovah your Elohim." Ezekiel 20:20 
 Scripture never once tells of God erasing or retracting his commandments. 

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