Deuteronomy 5:11
King James Version
“Thou shalt not take the name of the LORD thy God in vain: for the LORD will not hold guiltless that taketh his name in vain.”
Context
8Thou shalt not make thee graven image, any likeness that in heaven above, or that in the earth beneath, or that in the waters beneath the earth:
9Thou shalt not bow down thyself unto them, nor serve them: for I the LORD thy God a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth of them that hate me,
10And shewing mercy unto thousands of them that love me and keep my commandments.
11Thou shalt not take the name of the LORD thy God in vain: for the LORD will not hold guiltless that taketh his name in vain.
12Keep the sabbath day to sanctify it, as the LORD thy God hath commanded thee.
13Six days thou shalt labour, and do all thy work:
14But the seventh day the sabbath of the LORD thy God: thou shalt not do any work, thou, nor thy son, nor thy daughter, nor thy manservant, nor thy maidservant, nor thine ox, nor thine ass, nor any of thy cattle, nor thy stranger that within thy gates; that thy manservant and thy maidservant may rest as well as thou.