שֵׁ֣שֶׁת יָמִים֮ יֵעָשֶׂ֣ה מְלָאכָה֒ וּבַיּ֣וֹם הַשְּׁבִיעִ֗י שַׁבַּ֧ת שַׁבָּת֛וֹן קֹ֖דֶשׁ לַיהוָ֑ה כָּל־הָעֹשֶׂ֧ה מְלָאכָ֛ה בְּי֥וֹם הַשַּׁבָּ֖ת מ֥וֹת יוּמָֽת׃
Seis dias se fará trabalho, mas no sétimo dia haverá um Shabat de descanso solene, sagrado para Hashem; qualquer um que fizer algum trabalho no dia do Shabat será morto.
Siddur Sefard
After the Shemoneh Esrei has been said, the entire congregation repeats וַיְכֻלּוּ , in testimony of our belief that God created heaven and earth. According to Halacha, when one is a witness, he must stand and declare his testimony aloud.