As with many common verbs, the meaning of “to say” in the Bible is highly dependent on context. Who is speaking? Who is hearing? What is it about? Is it a command, a message, an apology, instruction? All these things enter into the meaning of “say.” In general, though, “saying” has to do with sharing truth at various levels -- from the most exalted power people can have to perceive the Lord's desires directly to the most basic of orders issued to people at their lowest.

8903. Verse 14 You shall not commit adultery means that what belongs to teachings about faith and charity must not be perverted, thus that the Word must not be used to lend support to falsities and evils also that the laws of order must not be turned upside down.