Commentaries
18:1-8 How does David render good for evil! Absalom would have only David smitten; David would have only Absalom spared. This seems to be a resemblance of man's wickedness towards God, and God's mercy to man, of which it is hard to say which is most amazing. Now the Israelites see what it is to take counsel against the Lord and his anointed.
6. wood of Ephraim—This wood, of course, was on the east of Jordan. Its name was derived, according to some, from the slaughter of the Ephraimites by Jephthah—according to others, from the connection of blood with the trans-jordanic Manasseh.