To flippantly defile the holy name as a vulgar utterance manifests a wicked, hardened heart, with complete irreverence for the Almighty. It is an abomination. But the scope of this sin reaches far beyond just foul and debased language. Any time we invoke God’s name rashly, thoughtlessly, or irreverently, we take it in vain. This includes hypocrisy; claiming to follow Christ but living in unrepentant, willful sin like greed, lust, hatred, drunkenness, gossip, or bitterness is one way of making a mockery of His holy name. 

In this series, I take our law homily from our church gathering each week (The law homily is where we read from the law of God and let His law examine our hearts so that we can be a tender-hearted and repenting people), and I post them here for your edification. Here is this week’s law homily on the prohibition against mental idolatry. 

7 “You shall not take the name of the Lord your God in vain, for the Lord will not leave him unpunished who takes His name in vain. – Exodus 20:7

Sinning against His Name

As the Israelites stood trembling at the foot of Mount Sinai, quaking like Mount Vesuvius with the holy fury of Yahweh’s presence, they were confronted with a sobering command: “You shall not take the name of the Lord your God in vain.” This wasn’t a trifle prohibition but a severe warning against reducing the limitless majesty of our Creator to the level of the commonplace and ordinary.

In the Hebrew tongue, the word translated as “in vain” is lashav, which means to represent something or someone with “falsehood, lies, or futility.” Coupled with the verb tissa, meaning to “lift up or bear,” this commandment specifically prohibits lifting up, speaking, or employing God’s sacred name that is inconsistent with His character, infinitude, and holiness.

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