1)
What is the meaning of "Harpu"?
1.
Rashi: Cease [coming against Yerushalayim, all nations]!
2.
Radak: Hashem tells the nations to cease wars and evil deeds from now and onwards.
2)
Why does it say "u'De'u Ki Anochi Elokim"?
1.
Rashi: I will judge you.
2.
Radak: It is in My hands to elevate and lower.
3)
What is the meaning of "Arum ba'Goyim"?
1.
Rashi: I will be elevated via my vengeance against the Goyim.
2.
Radak: Now I will be elevated among the Goyim and in the entire land. Until now, they did not recognize Me.
3.
Malbim: When you were messengers of Hashem to destroy, you said that you did so via your strength. Now, all will know that I agitate the land from its place.