1)
Why did He say "Lachen"?
1.
Malbim: This refers to the entire matter. (a) Since your fathers sinned and also you - "I brought you to Eretz ha'Karmel
2)
Why did He say "Od Ariv"?
1.
Rashi: Before I bring evil on them, I will dispute with them more via my Nevi'im, even though I already disputed with them many days.
2.
Radak: He already disputed with them - "Mah Matz'u Avoseichem Bi" (verse 5). He will now dispute with them, that also they are evil. And I will need to dispute with your grandchildren - also they will do evil. This is like Moshe said "Yadati Acharei Mosi Ki Hashches Tashchisun" (Devarim 31:29). Verse 10 ("Ki Ivru
