John Calvin on Exodus 23:7

7. Keep thee far from a false matter. Since he seems to speak of perjury, which brings about the death of the innocent, some might perhaps prefer that this passage should be annexed to the Sixth Commandment; but this is easily solved; for Moses is expressly condemning false-witness, and at the same time instances one case of it, whereby it may appear how detestable a crime it is, viz., the slaying of a brother by calumny, because the false witness rather kills him with his tongue than the executioner with his sword. Although, therefore, it is a gross act of inhumanity to lie in general against one’s brother, yet is its atrocity increased if he be put to death by perjury; because murder is thus combined with perfidy. A threat follows, whereby God summons false-witnesses before His tribunal, where they who have brought the good into peril by their falsehoods shall not escape with impunity.

Leviticus 19

Leviticus 19:16, 17

16. Thou shalt not go up and down as a tale-bearer among thy people; neither shalt thou stand against the blood of thy neighbor: I am the Lord.

16. Non incedes obtrectator in populis tuis, nec stabis contra sanguinem proximi tui: ego Jehova.

17. Thou shalt in any wise rebuke thy neighbor, and not suffer sin upon him.

17. Corripiendo corripies proximum tuum, neque excitabis super eum crimen.