Commentaries
18:18-23 When the prophet called to repentance, instead of obeying the call, the people devised devices against him. Thus do sinners deal with the great Intercessor, crucifying him afresh, and speaking against him on earth, while his blood is speaking for them in heaven. But the prophet had done his duty to them; and the same will be our rejoicing in a day of evil.
18. (Jer 11:19). Let us bring a capital charge against him, as a false prophet; "for (whereas he foretells that this land shall be left without priests to teach the law, Mal 2:7; without scribes to explain its difficulties; and without prophets to reveal God's will), the law shall not perish from the prophet," &c.; since God has made these a lasting institution in His church, and the law declares they shall never perish (Le 6:18; 10:11; compare Jer 5:12) [Grotius].
the wise—scribes and elders joined to the priests. Perhaps they mean to say, we must have right on our side, in spite of Jeremiah's words against us and our prophets (Jer 28:15, 16; 29:25, 32; 5:31); "for the law shall not perish," &c. I prefer Grotius' explanation.
with … tongue—by a false accusation (Ps 57:4; 64:3; 12:4; 50:19). "For the tongue" (Margin), that is, for his speaking against us. "In the tongue," that is, let us kill him, that he may speak no more against us [Castalio].