John Gills Exposition of the Bible Commentary - Jeremiah 21:5
And myself will fight against you ,.... So far from being entreated to do for them according to his wondrous works in times past, as their friend; that he will set himself against them as their enemy; and sad it is to have God for an enemy: if God be for a people, none can be against them to do them any hurt; but if he is against them, it signifies nothing who is for them: this must be much more terrible to them than the whole Chaldean army, and the king of Babylon at the head of them: ... read more
Matthew Henry's Complete Commentary - Jeremiah 21:1-7
Here is, I. A very humble decent message which king Zedekiah, when he was in distress, sent to Jeremiah the prophet. It is indeed charged upon this Zedekiah that he humbled not himself before Jeremiah the prophet, speaking from the mouth of the Lord (2 Chron. 36:12); he did not always humble himself as he did sometimes; he never humbled himself till necessity forced him to it; he humbled himself so far as to desire the prophet's assistance, but not so far as to take his advice, or to be ruled... read more