וּשְׁמַרְתֶּם֙ אֶת־הַשַּׁבָּ֔ת כִּ֛י קֹ֥דֶשׁ הִ֖וא לָכֶ֑ם מְחַֽלְלֶ֙יהָ֙ מ֣וֹת יוּמָ֔ת כִּ֗י כָּל־הָעֹשֶׂ֥ה בָהּ֙ מְלָאכָ֔ה וְנִכְרְתָ֛ה הַנֶּ֥פֶשׁ הַהִ֖וא מִקֶּ֥רֶב עַמֶּֽיהָ׃
Peliharalah hari Sabat, sebab hari itu kudus bagimu. Siapa pun yang melanggar kekudusannya pasti dihukum mati; sebab siapa pun yang melakukan pekerjaan pada hari itu, orang itu akan dilenyapkan dari antara bangsanya.
Rashi
מות יומת SHALL SURELY BE PUT TO DEATH by the judges if there are witnesses testifying to the desecration and if the warning required by law had been given to the culprit immediately before he committed the offence.
Chizkuni
ושמרתם את השבת, “you must observe the Sabbath;” the reason that this has been repeated is to warn that anyone desecrating the Sabbath purposely and publicly, will be executed. If he does so secretly, he will be cut off from membership in the Jewish people and its eternal future by an act of G-d. Seeing that the penalty has already been spelled out, the warning not to become guilty of this sin and its penalty has to be spelled out also; hence the Torah writes not only: מחלליה מות יומת, but also: כל העושה בו מלאכה מות יומת, “anyone performing forbidden activities on it will be executed.” It does not matter whether such forbidden activity is carried out by day or by night. This is made clear by the repetition of ויום השביעי קודש, “the entire seventh day is holy.”
Sforno
ושמרתם את השבת, there is yet another reason why the Sabbath regulations must not be overridden for the sake of completing the Tabernacle sooner;
Or HaChaim
Hanya tersedia untuk anggota PremiumRabbeinu Bahya
Hanya tersedia untuk anggota PremiumSiftei Chakhamim
Hanya tersedia untuk anggota PremiumRav Hirsch
Hanya tersedia untuk anggota PremiumRashi
ונכרתה SHALL BE CUT OFF [FROM AMONG HIS PEOPLE] by God, if no such warning had been given (Mekhilta).