Exodus 31:13
▸ Hear this chapter, lit word by wordSpeak 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 the LORD that doth sanctify you.
— Exodus 31:13, King James Version
In other translations
"Speak also to the children of Israel, saying, 'Most assuredly you shall keep my Sabbaths: for it is a sign between me and you throughout your generations; that you may know that I am Yahweh who sanctifies you.
Speak thou also unto the children of Israel, saying, Verily ye shall keep my sabbaths: for it is a sign between me and you throughout your generations; that ye may know that I am Jehovah who sanctifieth you.
'And thou, speak unto the sons of Israel, saying, Only, My sabbaths ye do keep, for it <FI>is<Fi> a sign between Me and you, to your generations, to know that I, Jehovah, am sanctifying you;