Exodus 35:2-4

Young's Literal Translation

² Six days is work done, and on the seventh day there is to you a holy [day], a sabbath of rest to Jehovah; any who doeth work in it is put to death;

³ ye do not burn a fire in any of your dwellings on the sabbath-day.'

⁴ And Moses speaketh unto all the company of the sons of Israel, saying, `This [is] the thing which Jehovah hath commanded, saying,