Deuteronomy 5:11-13

Young's Literal Translation

¹¹ `Thou dost not take up the Name of Jehovah thy God for a vain thing, for Jehovah doth not acquit him who taketh up His Name for a vain thing.

¹² `Observe the day of the sabbath -- to sanctify it, as Jehovah thy God hath commanded thee;

¹³ six days thou dost labour, and hast done all thy work,