Exodus 20:7-8

“You shall not take the name of the LORD your God in vain [that is, irreverently, in false affirmations or in ways that impugn the character of God]; for the LORD will not hold guiltless nor leave unpunished the one who takes His name in vain [disregarding its reverence and its power]. “Remember the Sabbath (seventh) day to keep it holy (set apart, dedicated to God).